Publications from CITF-funded Research

Duarte N, D’Mello S, Duarte NA, Rocco S, Wyk JV, Pillai AA, Liu M, Williamson T, Arora RK. Uptake of SARS-CoV-2 workplace testing programs, March 2020 to March 2021.

Nasreen S, He S, Chung H, Brown KA, Gubbay JB, Buchan SA, Wilson SE, Sundaram ME, Fell DB, Chen B, Calzavara A, Austin PC, Schwartz KL, Tadrous M, Wilson K, Kwong JC. Effectiveness of COVID-19 vaccines against variants of concern, Canada.

Costa AP, Manis DR, Jones A, Stall NM, Brown KA, Boscard V, Castellino A, Heckman GA, Hillmer MP, Ma C, Pham P, Rais S, Sinha SK, Poss JW. Facteurs de risque d’éclosion de SRAS-CoV-2 dans les résidences pour aînés en Ontario, au Canada: étude de cohorte à l’échelle de la population. JAMC. 2021 Jun 21;193(25):E969-77. doi: 10.1503/cmaj.202756-f.

Goldfarb DM, Mâsse LC, Watts AW, Hutchison SM, Muttucomaroe L, Bosman ES, Barakauskas VE, Choi A, Irvine MA, Reicherz F, Coombs D, O’Reilly C, Sediqi S, Razzaghian HR, Sadarangani M, O’Brien SF, Lavoie PM. SARS-CoV-2 seroprevalence among Vancouver public school staff in British Columbia, Canada. medRxiv. 2021 Jun 18. doi: 10.1101/2021.06.16.21258861.

Law JC, Girard M, Chao GYC, Ward LA, Isho B, Rathod B, Colwill K, Li Z, Rini JM, Yue FY, Mubareka S, McGeer AJ, Ostrowski MA, Gommerman JL, Gingras A-C, Watts TH. Immunity to SARS-CoV-2 persists 9 months post-symptoms with an altered T cell phenotype compared to influenza A virus-specific memory. medRxiv. 2021 Jun 10. doi: 10.1101/2021.06.08.21258518.

Matic N, Lowe CF, Ritchie G, Stefanovic A, Lawson T, Jang W, Young M, Dong W, Brumme ZL, Brumme CJ, Leung V, Romney MG. Rapid detection of SARS-CoV-2 variants of concern identifying a cluster of B.1.1.28/P.1 variant in British Columbia, Canada. Emerg Infect Dis. 2021 Jun;27(6):1673-1676. doi: 10.3201/eid2706.210532.

Chung H, He S, Nasreen S, Sundaram ME, Buchan SA, Wilson SE, Chen B, Calzavara A, Fell DB, Austin PC, Wilson K, Schwartz KL, Brown KA, Gubbay JB, Basta NE, Mahmud SM, Righolt CH, Svenson LW, Macdonald SE, Janjua NZ, Tadrous M, Kwong JC. Effectiveness of BNT162b2 and mRNA-1273 COVID-19 vaccines against symptomatic SARS-CoV-2 infection and severe COVID-19 outcomes in Ontario, Canada. 2021 May 28. doi: 10.1101/2021.05.24.21257744.

Anand SP, Prévost J, Nayrac M, Beaudoin-Bussières G, Benlarbi M, Gasser R, Brassard N, Laumaea A, Gong SY, Bourassa C, Brunet-Ratnasingham E, Medjahed E, Gendron-Lepage G, Goyette G, Gokool L, Morrisseau C, Bégin P, Martel-Laferrière V, Tremblay C, Richard J, Bazin R, Duerr R, Kaufmann D, Finzi A.  Longitudinal analysis of humoral immunity against SARS-CoV-2 Spike in convalescent individuals up to 8 months post-symptom onset. Cell Rep Med. 2021 May 4. doi: 10.1016/j.xcrm.2021.100290.

Tang X, Gelband H, Nagelkerke N, Bogoch I, Brown PE, Morawski E, Lam T, Reid A, Jha P. Quantifying COVID-19 vaccination hesitancy during early vaccination rollout in Canada. medRxiv [Preprint]. 2021 May 2. doi: 10.1101/2021.04.29.21256333.

Flood CM, Thomas B, Wilson K. Vaccination obligatoire des travailleurs de la santé: analyse juridique et politique. CMAJ. 2021 Apr 26;193(17):E629-33. doi: 10.1503/cmaj.202755-f.

Huynh A, Arnold DM, Smith JW, Moore JC, Zhang A, Chagla Z, Harvey BJ, Stacey HD, Ang JC, Clare R, Ivetic N, Chetty VT, Bowdish DME, Miller MS, Kelton JG, Nazy I. Characteristics of anti-SARS-CoV-2 antibodies in recovered COVID-19 subjects. Viruses. 2021 Apr 16;13(4):697. doi: 10.3390/v13040697.

Zinszer K, McKinnon B, Bourque N, Zahreddine M, Charland K, Papenburg J, Fortin G, Hamelin ME, Saucier A, Apostolatos A, Pierce L, Savard-Lamothe A, Carbonneau J, Conrod P, Haley N, Laurin I, Boivin G, Serres GD, Quach C. Seroprevalence of anti-SARS-CoV-2 antibodies among school and daycare children and personnel: protocol for a cohort study in Montreal, Canada. BMJ Open. 2021;11:e053245. doi:10.1136/bmjopen-2021-053245.

Brockman MA, Mwimanzi F, Sang Y, Ng K, Agafitei O, Ennis S, Lapointe H, Young L, Umviligihozo G, Burns L, Brumme CJ, Leung V, Montaner JSG, Holmes D, DeMarco M, Simons J, Niikura M, Pantophlet R, Romney MG, Brumme ZL. Weak humoral immune reactivity among elderly residents of long-term care facilities following one dose of BNT162b2 mRNA COVID-19 vaccine. medRxiv [Preprint]. 2021 Mar 24. doi: 10.1101/2021.03.17.21253773

Irfan Ullah, Jérémie Prévost, Mark S Ladinsky, Helen Stone, Maolin Lu, Sai Priya Anand, Guillaume Beaudoin-Bussières, Mehdi Benlarbi, Shilei Ding, Romain Gasser, Corby Fink, Yaozong Chen, Alexandra Tauzin, Guillaume Goyette, Catherine Bourassa, Halima Medjahed, Matthias Mack, Kunho Chung, Craig B Wilen, Gregory A. Dekaban, Jimmy D. Dikeakos, Emily A. Bruce, Daniel E Kaufmann, Leonidas Stamatatos, Andrew T. McGuire, Jonathan Richard, Marzena Pazgier, Pamela J. Bjorkman, Walther Mothes, Andrés Finzi, Priti Kumar, Pradeep D. Uchil. Live imaging of SARS-CoV-2 infection in mice reveals neutralizing antibodies require Fc function for optimal efficacy. bioRxiv [Preprint]. 2021 Mar 22. doi: 10.1101/2021.03.22.436337

Brunet-Ratnasingham E, Anand SP, Gantner P, Moquin-Beaudry G, Dyachenko A, Brassard N, Beaudoin-Bussières G, Pagliuzza A, Gasser R, Benlarbi M, Point F, Prévost J, Laumaea A, Niessl J, Nayrac M, Sannier G, Boutin M, Descôteux-Dinelle J, Gendron-Lepage G, Goyette G, Bourassa C, Medjahed H, Orban C, Butler-Laporte G, Morrison D, Zhou S, Nakanishi T, Laurent L, Richard J, Dubé M, Fromentin R, Rébillard R-M, Arbour N, Prat A, Larochelle C, Durand M, Richards JB, Chassé M, Tétreault M, Chomont N, Finzi A, Kaufmann DE. Integrated immunovirological profiling validates plasma SARS-CoV-2 RNA as an early predictor of COVID-19 mortality. medRxiv [Preprint]. 2021 Mar 20. doi: 10.1101/2021.03.18.21253907

Majdoubi A, Michalski C, O’Connell SE, Dada S, Narpala S, Gelinas J, Mehta D, Cheung C, Winkler D, Basappa M, Liu  AC, Görges M, Barakauska VE, Irvine M, Mehalko J, Esposito D, Sekirov I, Jassem AN, Goldfarb DM, Pelech S, Douek DC, McDermott AB, Lavoie PM. A majority of uninfected adults show pre-existing antibody reactivity against SARS-CoV-2. JCI Insight. 2021 Mar 15. doi: 10.1172/jci.insight.146316.

Castonguay N, Zhang W, Langlois M-A. Meta-analysis of the dynamics of the emergence of mutations and variants of SARS-CoV-2. medRxiv [Preprint]. 2021 Mar 8. doi: 10.1101/2021.03.06.21252994

Tang X, Sharma A, Pasic M, Colwill K, Birnboim Ch, Nagelkerke Nico, Bogoch I, Schultz C, Newcombe L, Slater J, Rodriguez P, Huang G, Fu SH,  Meh C, Wu ChN,  Kaul R, Langlois MA, M E, Hollander A, Eliopoulos D, Aloi B, Lambe T, AbeK, Caldwell L, Barrios-Rodiles M,  Fazel-Zarandi M, Weingust R, Wang J, Rathod B, Santhanam DR, Cho ER, Qu K, Jha S, Jha V, Suraweera W,  Wen R, Sinha SR, Gingras AC, Chakraborty P, Slutsky  AS, Jha P. COVID symptoms, seroprevalence, and mortality during the first wave of SARS-CoV-2 in Canada. medRxiv [Preprint]. 2021 Mar 5. doi: 10.1101/2021.03.04.21252540.

K Wilson and C Flood. Implementing digital passports for SARS-CoV-2 immunization in Canada. CMAJ. 2021 Mar 2:193(10). doi: 10.1503/cmaj.210244.

Rébillard RM, Charabati M, Grasmuck C, Filali-Mouhim A, Tastet O, Brassard N, Daigneault A, Bourbonnière L, Anand SP, Balthazard R, Beaudoin-Bussières G, Gasser R, Benlarbi M, Carmena Moratalla A, Carpentier Solorio Y, Boutin M, Farzam-Kia N, Descôteaux-Dinelle J, Fournier AP, Gowing EM, Laumaea A, Jamann H, Lahav B, Goyette G, Lemaître F, Mamane VH, Prévost J, Richard J, Thai K, Cailhier JF, Chomont N, Finzi A, Chassé M, Durand M, Arbour N, Kaufmann DE, Prat A, Larochelle C. Identification of SARS-CoV-2-specific immune alterations in acutely ill patients. J Clin Invest. 2021 Feb 26:145853. doi: 10.1172/JCI145853

Nazy I, Jevtic SD, Moore JC, Huynh A, Smith JW, Kelton JG, Arnold DM. Platelet-activating immune complexes identified in critically ill COVID-19 patients suspected of heparin-induced thrombocytopenia. J Thromb Haemost. 2021 Feb 27. doi: 10.1111/jth.15283.

Papenburg J , Cheng MP , Corsini R, Caya C, Mendoza E, Manguiat K, Lindsay LF , Wood H, Drebot MA, Dibernardo A , Zaharatos G , Bazin R, Gasser R, Benlarbi M , Gendron-Lepage G, Beaudoin-Bussières G, Prévost J, Finzi A, Ndao M, Yansouni C.  Evaluation of a commercial culture-free neutralization antibody detection kit for severe acute respiratory syndrome-related coronavirus-2 and comparison with an anti-RBD ELISA assay. Open Forum Infect Dis. 2021 Apr 30;8(6):ofab220. doi: 10.1093/ofid/ofab220 

Anand SP, Prévost J, Richard J, Perreault J, Tremblay T, Drouin M, Fournier MJ, Lewin A, Bazin R, Finzi A. High-throughput detection of antibodies targeting the SARS-CoV-2 Spike in longitudinal convalescent plasma samples. Transfusion. 2021 Feb 18. doi: 10.1111/trf.16318.

Gasser R, Cloutier M, Prévost J, Fink C, Ducas É, Ding S, Dussault N, Landry P, Tremblay T, Laforce-Lavoie A, Lewin A, Beaudoin-Bussières G, Laumaea A, Medjahed H, Larochelle C, Richard J, Dekaban GA, Dikeakos JD, Bazin R, Finzi A. Major role of IgM in the neutralizing activity of convalescent plasma against SARS-CoV-2. Cell Rep. 2021 Feb 10:108790. doi: 10.1016/j.celrep.2021.108790.

Flood C, Thomas B, Wilson K. Mandatory vaccination for health care workers: an analysis of law and policy. CMAJ. 2021 Feb 8;193(6). doi.org/10.1503/cmaj.202755.

Saeed S, Drews SJ, Pambrun C, Yi QL, Osmond L, O’Brien SF. SARS‐CoV‐2 seroprevalence among blood donors after the first COVID‐19 wave in Canada. Transfusion. 2021 Feb 1. doi: 10.1111/trf.16296.

Bolotin S, Tran V, Osman S, Brown KA, Buchan SA, Joh E, Deeks SL, Allen VG. SARS-CoV-2 seroprevalence survey estimates are affected by anti-nucleocapsid antibody decline. J Infect Dis. 2021 Jan 5:jiaa796. doi: 10.1093/infdis/jiaa796.

Law JC, Koh WH, Budylowski P, Lin J, Yue F, Abe KT, Rathod B, Girard M, Li Z, Rini JM, Mubareka S, McGeer A, Chan AK, Gingras AC, Watts TH, A Ostrowski M. Systematic examination of antigen-specific recall T cell responses to SARS-CoV-2 versus influenza virus reveals a distinct inflammatory profile. J Immunol. 2021 Jan 1;206(1):37-50. doi: 10.4049/jimmunol.2001067.

Lu M, Uchil PD, Li W, Zheng D, Terry DS, Gorman J, Shi W, Zhang B, Zhou T, Ding S, Gasser R, Prévost J, Beaudoin-Bussières G, Anand SP, Laumaea A, Grover JR, Liu L, Ho DD, Mascola JR, Finzi A, Kwong PD, Blanchard SC, Mothes W. Real-time conformational dynamics of SARS-CoV-2 spikes on virus particles. Cell Host & Microbe. 2020 Dec 9;28(6):880-891. doi: 0.1016/j.chom.2020.11.001.

Ding S, Laumaea A, Benlarbi M, Beaudoin-Bussières G, Gasser R, Medjahed H, Pancera M, Stamatatos L, McGuire AT, Bazin R, Finzi A. Antibody binding to SARS-CoV-2 S glycoprotein correlates with but does not predict neutralization. Viruses. 2020 Oct 26; 12(11):1214. doi: 10.3390/v12111214.

Prévost J, Gasser R, Beaudoin-Bussières G, Richard J, Duerr R, Laumaea A, Anand SP, Goyette G, Benlarbi M, Ding S, Medjahed H, Lewin A, Perreault J, Tremblay T, Gendron-Lepage G, Gauthier N, Carrier M, Marcoux D, Piché A, Lavoie M, Benoit A, Loungnarath V, Brochu G, Haddad E, Stacey HD, Miller MS, Desforges M, Talbot PJ, Maule GTG, Côté M, Therrien C, Serhir B, Bazin R, Roger M, Finzi A. Cross-sectional evaluation of humoral responses against SARS-CoV-2 Spike. Cell Rep Med. 2020 Oct 20;1(7):100126. doi: 10.1016/j.xcrm.2020.100126.

Beaudoin-Bussières G, Laumaea A, Anand SP, Prévost J, Gasser R, Goyette G, Medjahed H, Perreault J, Tremblay T, Lewin A, Gokool L, Morrisseau C, Bégin P, Tremblay C, Martel-Laferrière V, Kaufmann D, Richard J, Bazin R, Finzi A. Decline of humoral responses against SARS-CoV-2 spike in convalescent individuals. mBio. 16 Oct 2020. doi: 10.1128/mBio.02590-20.

Anand SP, Chen Y, Prévost J, Gasser R, Beaudoin-Bussières G, Abrams CF, Pazgier M, Finzi A. Interaction of human ACE2 to membrane-bound SARS-CoV-1 and SARS-CoV-2 S glycoproteins. Viruses. 2020 Sep 29;12(10):1104. doi: 10.3390/v12101104.

Arora RK, Joseph A, Van Wyk J, Rocco S, Atmaja A, May E, Yan T, Bobrovitz N, Chevrier J, Cheng MP, Williamson T. SeroTracker: a global SARS-CoV-2 seroprevalence dashboard. Lancet Infect Dis. 2020 Aug. doi: 10.1016/S1473-3099(20)30631-9

Publications from Our Experts

The CONCOR-1 Study GroupCONCOR-1 writing committee, Bégin P, Callum J, Jamula E, Cook R, Heddle NM, Tinmouth A, Zeller MP, Beaudoin-Bussières G, Amorim L, Bazin R, Loftsgard KC, Carl R, Chassé M, Cushing MM, Daneman N, Devine DV, Dumaresq J, Fergusson DA, Gabe C, Glesby MJ, Li N, Liu Y, McGeer A, Robitaille N, Sachais BS, Scales DC, Schwartz L, Shehata N, Turgeon AF, Wood H, Zarychanski R, Finzi A, Arnold DMfor The CONCOR-1 Study Group. Convalescent plasma for hospitalized patients with COVID-19 and the effect of plasma antibodies: a randomized controlled, open-label trial.

Abdulnoor M, Eshaghi A, Perusini SJ, Corbeil A, Cronin K, Fittipaldi N, Forbes JD, Guthrie JL, Kus JV, Majury A, Mazzulli T, Melano RG, Olsha R, Sullivan S, Tran V, Patel SN, Allen VG, Gubbay JB. Real-time RT-PCR allelic discrimination assay for detection of N501Y mutation in the spike protein of SARS-CoV-2 associated with variants of concern.

Sadarangani M, Marchant A, Kollmann TR. Immunological mechanisms of vaccine-induced protection against COVID-19 in humans. Nat Rev Immunol. 2021 Jul 1. doi: 10.1038/s41577-021-00578-z.

Zhang Y, Malekjahani A, Udugama BN, Kadhiresan P, Chen H, Osborne M, Franz M, Kucera M, Plenderleith S, Yip L, Bader GD, Tran V, Gubbay JB, McGeer A, Mubareka S, Chan WCW. Surveilling and tracking COVID-19 patients using a portable quantum dot smartphone device. Nano Lett. 2021 Jun 23;21(12):5209-5216. doi: 10.1021/acs.nanolett.1c01280.

Bennet SMP, Kaufmann M, Takami K, Sjaarda C, Douchant K, Moslinger E, Wong H, Reed DE, Ellis AK, Vanner S, Colautti RI, Sheth PM. Small-molecule metabolome identifies potential therapeutic targets against COVID-19.

Greenhawt M, Abrams EM, Shaker M, Chu DK, Kahn D, Akin C, Alqurashi W, Arkwright P, Baldwin JL, Ben-Shoshan M, Bernstein J, Bingeman T, Blumchen K, Byrne A, Bognanni A, Campbell D, Campbell R, Chagla Z, Chan ES, Chan J, Comberiatti P, Dribin TE, Ellis AK, Fleischer DM, Fox A, Frischmeyer-Guerrerio PA, Gagnon R, Grayson MH, Horner CC, Hourihane J, Katelaris CH, Kim H, Kelso JM, Lang D, Ledford D, Levin M, Lieberman J, Loh R, Mack D, Mazer B, Mosnaim G, Munblit D, Mustafa SS, Nanda A, Oppenheimer J, Perrett KP, Ramsey A, Rank M, Robertson K, Shiek J, Spergel JM, Stukus D, Tang MLK, Tracy JM, Turner PJ, Whalen-Browne A, Wallace D, Wang J, Wasserman S, Witty JK, Worm M, Vander Leek TK, Golden DBK. The risk of allergic reaction to SARS-CoV-2 vaccines and recommended evaluation and management: A systematic review, meta-analysis, GRADE assessment, and international consensus approach. J. Allergy Clin. Immunol. 2021 Jun 18. doi: 10.1016/j.jaip.2021.06.006.

Griffin BD, Chan M, Tailor N, Mendoza EJ, Leung A, Warner BM, Duggan AT, Moffat E, He S, Garnett J, Tran KN, Banadyga L, Albietz A, Tierney K, Audet J, Bello A, Vendramelli R, Boese AS, Fernando L, Lindsay LR, Jardine CM, Wood H, Poliquin G, Strong JE, Drebot M, Safronetz D, Embury-Hyat C, Kobasa D. SARS-CoV-2 infection and transmission in the North American deer mouse. Nat Commun. 2021 Jun 14;12:3612. doi: 10.1038/s41467-021-23848-9.

Brotto LA, Chankasingh K, Baaske A, Albert A, Booth A, Kaida A, Smith LW, Racey S, Gottschlich A, Murray MCM, Sadarangani M, Ogilvie GS, Galea L. The influence of sex, gender, age, and ethnicity on psychosocial factors and substance use throughout phases of the COVID-19 pandemic. medRxiv. 2021 Jun 10. doi: 10.1101/2021.06.08.21258572.

Skowronski DM, Setayeshgar S, Zou M, Prystajecky N, Tyson JR, Galanis E, Naus M, Patrick DM, Sbihi H, El Adam S, Henry B, Hoang LMN, Sadarangani M, Jassem AN, Krajden M. Single-dose mRNA vaccine effectiveness against SARS-CoV-2, including P. 1 and B. 1.1. 7 variants: a test-negative design in adults 70 years and older in British Columbia, Canada. medRxiv. 2021 Jun 9. doi: 10.1101/2021.06.07.21258332.

Bourguignon A, Arnold DM, Warkentin TE, Smith JW, Pannu T, Shrum JM, Al Maqrashi ZAA, Shroff A, Lessard M-C, Blais N, Kelton JG, Nazy I. Adjunct immune globulin for vaccine-induced thrombotic thrombocytopenia. N Engl J Med. 2021 Jun 9. doi: 10.1056/NEJMoa2107051.

Vinh DC, Abel L, Bastard P, Cheng MP, Condino-Neto A, Gregersen PK, Haerynck F, Cicalese MP, Hagin D, Soler-Palacín P, Planas AM, Pujol A, Notarangelo LD, Zhang Q, Su HC, Casanova JL, Meyts I; COVID Human Genetic Effort. Harnessing type I IFN immunity against SARS-CoV-2 with early administration of IFN-β. J Clin Immunol. 2021 Jun 8:1–18. doi: 10.1007/s10875-021-01068-6.

Verma AA, Hora T, Jung HY, Fralick M, Malecki SL, Lapointe-Shaw L, Weinerman A, Tang T, Kwan JL, Liu JJ, Rawal S, Chan TCY, Cheung AM, Rosella LC, Ghassemi M, Herridge M, Mamdani M, Razak F. Caractéristiques et issues des hospitalisations pour les cas de COVID-19 et d’influenza dans la région de Toronto.

Bullard J, Funk D, Dust K, Garnett L, Tran K, Bello A, Strong JE, Lee SJ, Waruk J, Hedley A, Alexander D, Caeseele PV, Loeppky C, Poliquin G. Comparaison de l’infectivité du coronavirus du syndrome respiratoire aigu sévère 2 chez les enfants et les adultes.

Liu M, Arora RK, Krajden M. Tests de détection rapides d’antigènes pour le SRAS-CoV-2.

Reyes Domingo F, Waddell LA, Cheung AM, Cooper CL, Belcourt VJ, Zuckermann AME, Corrin T, Ahmad R, Boland L, Laprise C, Idzerda L, Khan A, Jaramillo Garcia A. Prevalence of long-term effects in individuals diagnosed with COVID-19: a living systematic review. medRxiv. 2021 Jun 6. doi:10.1101/2021.06.03.21258317.

Tauzin A, Nayrac M, Benlarbi M, Gong SY, Gasser R, Beaudoin-Bussières G, Brassard N, Laumaea A, Vézina D, Prévost J, Anand SP, Bourassa C, Gendron-Lepage G, Medjahed H, Goyette G, Niessl J, Tastet O, Gokool L, Morrisseau C, Arlotto P, Stamatatos L, McGuire AT, Larochelle C, Uchil P, Lu M, Mothes W, De Serres G, Moreira S, Roger M, Richard J, Martel-Laferrière V, Duerr R, Tremblay C, Kaufmann DE, Finzi A. A single dose of the SARS-CoV-2 vaccine BNT162b2 elicits Fc-mediated antibody effector functions and T-cell responses. Cell Host and Microbe. 2021 Jun 4. doi: 10.1016/j.chom.2021.06.001.

Betti M, Bragazzi N, Heffernan J, Kong J, Raad A. Could a new COVID-19 mutant strain undermine vaccination efforts? A mathematical modelling approach for estimating the spread of B.1.1.7 using Ontario, Canada, as a case study. Vaccines. 2021 Jun 3; 9(6):592. doi: 10.3390/vaccines9060592.

Heckman GA, Kay K, Morrison A, Grabowski DC, Hirdes JP, Mor V, Shaw G, Benjamin S, Boscart VM, Costa AP, Declercq A, Geffen L, Sang Lum TY, Moser A, Onder G, Van Hout H. Proceedings from an international virtual townhall: Reflecting on the COVID-19 pandemic: themes from long-term care. J Am Med Dir Assoc. 2021 Jun 1. doi: 10.1016/j.jamda.2021.03.029.

Goupil R, Benlarbi M, Beaubien-Souligny W, Nadeau-Fredette A-C, Chatterjee D, Goyette G, Gunaratnam L, Lamarche C, Tom A, Finzi A, Suri RS. Short-term antibody response afer 1 dose of BNT162b2 vaccine in patients receiving hemodialysis. CMAJ. 2021 May 31. doi: 10.1503/cmaj.210673.

Ogilvie GS, Gordon S, Smith LW, Albert A, Racey CS, Booth A, Gottschlich A, Goldfarb D, Murray MCM, Galea LAM, Kaida A, Brotto LA, Sadarangani M. Intention to receive a COVID-19 vaccine: results from a population-based survey in Canada. BMC Public Health. 2021 May 29;21(1):1017. doi: 10.1186/s12889-021-11098-9.

Wong ST, Romney M, Matic N, Haase K, Ranger M, Dhari R, Affleck F, Tan E, Ndateba I, Tobias E, Saewyc E, Schwandt M, Sin D. Feasibility and utility of rapid antigen testing for COVID-19 in a university residence: a cross sectional study. medRxiv. 2021 May 26. doi: 10.1101/2021.05.24.21257732.

Verma AA, Pai M, Saha S, Bean S, Fralick M, Gibson JL, Greenberg RA, Kwan JL, Lapointe-Shaw L, Tang T, Morris AM, Razak F. Managing drug shortages during a pandemic: tocilizumab and COVID-19. CMAJ. 2021 May 25;193(21):E771-E776. doi: 10.1503/cmaj.210531.

Yau K, Abe KT, Naimark D, Oliver MJ, Perl J, Leis JA, Bolotin S, Tran V, Mullin S, Shadowitz E, Garnham-Takaoka J, de Launay KQ, Takaoka A, Straus SE, McGeer AJ, Chan CT, Colwill K, Gingras A-C, Hladunewich MA. The humoral response to the BNT162b2 vaccine in hemodialysis patients.

Vogel TP, Top KA, Karatzios C, Hilmers DC, Tapia LI, Moceri P, Giovannini-Chami L, Wood N, Chandler RE, Klein NP, Schlaudecker EP, Poli MC, Muscal E, Munoz FM. Multisystem inflammatory syndrome in children and adults (MIS-C/A): Case definition & guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 2021 May 21;39(22):3037-3049. doi: 10.1016/j.vaccine.2021.01.054.

Kotwa JD, Jamal AJ, Mbareche H, Yip L, Aftanas P, Barati S, Bell NG, Bryce E, Coomes E, Crowl G, Duchaine C, Faheem A, Farooqi L, Hiebert R, Katz K, Khan S, Kozak R, Li AX, Mistry HP, Mozafarihashjin M, Nasir JA, Nirmalarajah K, Panousis EM, Paterson A, Plenderleith S, Powis J, Prost K, Schryer R, Taylor M, Veillette M, Wong T, Zhong XZ, McArthur AG, McGeer AJ, Mubareka S. Surface and air contamination with SARS-CoV-2 from hospitalized COVID-19 patients in Toronto, Canada. medRxiv. 2021 May 20. doi: 10.1101/2021.05.17.21257122.

Merckx J, Cooke S, Tal TE, Laxer RM, Bitnun A, Morris SK, Yeh EA, Yea C, Gill P, Papenburg J, Lefebvre M-A, Ulloa-Gutierrez R, Brenes-Chacon H, Yock-Corrales A, Ivankovich-Escoto G, Soriano-Fallas A, Hernandez-de Mezerville M, Dewan T, Restivo L, Nateghian A, Haghighi Aski B, Manafi A, Dwilow R, Bullard J, Lopez A, Sadarangani M, Roberts A, Barton M, Petel D, Le Saux N, Bowes J, Purewal R, Lautermilch J, Tehseen S, Bayliss A, Wong JK, Leifso K, Foo C, Robinson J. Multicenter cohort study of multisystem inflammatory syndrome in children (MIS-C). medRxiv. 2021 May 19. doi: 10.1101/2021.05.14.21257058.

Tremblay K, Rousseau S, Zawati MH, Auld D, Chassé M, Coderre D, Falcone EL, Gauthier N, Grandvaux N, Gros-Louis F, Jabet C, Joly Y, Kaufmann DE, Laprise C, Larochelle C, Maltais F, Mes-Masson A-M, Montpetit A, Piché A, Richards JB, Tse SM, Turgeon AF, Turecki G, Vinh DC, Wang HT, Mooser V,on behalf of BQC19. The Biobanque québécoise de la COVID-19 (BQC19)—A cohort to prospectively study the clinical and biological determinants of COVID-19 clinical trajectories. PLOS ONE. 2021 May 19;16(5): e0245031. doi: 10.1371/journal.pone.0245031.

Lewin A, Therrien R, De Serres G, Grégoire Y, Perreault J, Drouin M, Fournier M-J, Tremblay T, Beaudoin J, Beaudoin-Bussières G, Prévost J, Gendron-Lepage G, Finzi A, Bernier F, Bazin R, Germain M, & Delage G. SARS-CoV-2 seroprevalence among blood donors in Québec, and analysis of symptoms associated with seropositivity: a nested case-control study. Can J Public Health. 2021 May 17. doi: 10.17269/s41997-021-00531-6.

Saeed S, Uzicanin S, Lewin A, Lieshout-Krikke R, Faddy H, Erikstrup C, Osiowy C, Seed C, Steele W, Davidson K, Custer B, O’Brien S. Current challenges of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence studies among blood donors: A scoping review. medRxiv. 2021 May 17. doi: 10.1101/2021.05.13.21257177.

Gobeil P, Pillet S, Séguin A, Boulay I, Mahmood A, Vinh DC, Charland N, Boutet P, Roman F, Most RVD, Ceregido Perez MDLA, Ward BJ, Landry N. Interim report of a phase 2 randomized trial of a plant-produced virus-like particle vaccine for Covid-19 in healthy adults aged 18-64 and older adults aged 65 and older. medRxiv [Preprint]. 2021 May 14. doi: 10.1101/2021.05.14.21257248.

Campbell JR, Dion C, Uppal A, Yansouni CP, Menzies D. Systematic testing for SARS-CoV-2 infection among essential workers in Montréal, Canada: A prospective observational and cost assessment study. medRxiv. 2021 May 14. doi: 10.1101/2021.05.12.21256956.

Saeed S, O’Brien SF, Abe K, Yi O, Rathod B, Wang J, Fazel-Zarandi M, Tuite A, Fisman D, Wood H, Colwill K, Gingras A-C, Drews S. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence: Navigating the absence of a gold standard. medRxiv. 2021 May 12. doi: 10.1101/2021.05.11.21256992.

Liu J, Budylowski P, Samson R, Griffin BD, Babuadze G, Rathod B, Colwill K, Abioye JA, Schwartz JA, Law R, Yip L, Ahn SK, Chau S, Naghibosadat M, Arita Y, Hu Q, Yue FY, Banerjee A, Mossman K, Mubareka S, Kozak RA, Pollanen MS, Orozco NM, Gingras A-C, Marcusson EG, Ostrowski MA. Preclinical evaluation of a SARS-CoV-2 mRNA vaccine PTX-COVID19-B. bioRxiv [Preprint]. 2021 May 12. doi: 10.1101/2021.05.11.443286.

Hossenbaccus L, Linton S, Ramchandani R, Gallant M, Ellis AK, Insights into allergic risk factors from birth cohort studies. Ann. Allergy Asthma Immunol. 2021 May 7. doi: 10.1016/j.anai.2021.04.025.

GloPID-R, UKCDR, and COVID-19 Clinical Research Coalition Cross-Working Group on COVID-19 Research in LMICs (Kaushic C). Priorities for COVID-19 research response and preparedness in low-resource settings. Lancet. 2021 May 6;397(10288):1866-1868. doi: 10.1016/S0140-6736(21)00980-6.

Sjaarda CP, Guthrie JL, Mubareka S, Simpson JT, Hamelin B, Wong H, Mortimer L, Slinger R, McArthur AG, Desjardins M, McGeer A, Mazzulli T, Douchant K, Brabant-Kirwan D, Fattouh R, Campigotto A, Patel SN, Fittipaldi N, Colautti RI, Sheth PM. Temporal dynamics and evolution of SARS-CoV-2 demonstrate the necessity of ongoing viral genome sequencing in Ontario, Canada. mSphere. 2021 May 5;6(3):e00011-21. doi: 10.1128/mSphere.00011-21.

Watt JA, Lane NE, Veroniki AA, Vyas MV, Williams C, Ramkissoon N, Thompson Y, Tricco AC, Straus SE, Goodarzi Z. Diagnostic accuracy of virtual cognitive assessment and testing: Systematic review and meta-analysis. J Am Geriatr Soc. 2021 May 4. doi: 10.1111/jgs.17190.

Bégin P, Callum J, Heddle NM, Cook R, Zeller MP, Tinmouth A, Fergusson DA, Cushing MM, Glesby MJ, Chassé M, Devine DV, Robitalle N, Bazin R, Shehata N, Finzi A, McGeer A, Scales DC, Schwartz L, Turgeon AF, Zarychanski R, Daneman N, Carl R, Amorim L, Gabe C, Ellis M, Sachais BS, Loftsgard KC, Jamula E, Carruthers J, Duncan J, Lucier K, Li N, Liu Y, Armali C, Kron A, Modi D, Auclair MC, Cerro S, Avram M, Arnold DM. Convalescent plasma for adults with acute COVID-19 respiratory illness (CONCOR-1): study protocol for an international, multicentre, randomized, open-label trial. Trials. 2021 May 4;22(1):323. doi: 10.1186/s13063-021-05235-3.

Caulley L, Shaw J, Corsten M, Hua N, Angel JB, Poliquin G, Whelan J, Antonation K, Johnson-Obaseki S. Salivary testing of COVID-19: evaluation of serological testing following positive salivary results. BMC Infect Dis. 2021 May 4;21(1):410. doi: 10.1186/s12879-021-06108-5.

Nieuwlaat R, Mbuagbaw L, Mertz D, Burrows LL, Bowdish DME, Moja L, Wright GD, Schünemann HJ. Coronavirus disease 2019 and antimicrobial resistance: parallel and interacting health emergencies. Clin Infect Dis. 2021 May 4;72(9):1657-1659. doi: 10.1093/cid/ciaa773.

Stone M, Germanio CD, Wright DJ, Sulaeman H, Dave H, Fink RV, Notari EP, Green V, Strauss D, Kessler D, Destree M, Saa P, Williamson PC, Simmons G, Stramer SL, Opsomer J, Jones JM, Kleinman S, Busch MP, for the NHLBI Recipient Epidemiology and Donor Evaluation Study-IV-Pediatric (REDS-IV-P). Use of U.S. blood donors for national serosurveillance of SARS-CoV-2 antibodies: Basis for an expanded national donor serosurveillance program. medRxiv [Preprint]. 2021 May 3. doi: 10.1101/2021.05.01.21255576.

Norton A, Olliaro P, Sigfrid L, Carson G, Paparella G, Hastie C, Kaushic C, Boily-Larouche G, Suett JC, O’Hara M; ISARIC and GloPID-R Long COVID Forum Working Group. Long COVID: tackling a multifaceted condition requires a multidisciplinary approach. Lancet Infect Dis. 2021 May;21(5):601-602. doi: 10.1016/S1473-3099(21)00043-8.

Jolliffe DA, Camargo CA Jr, Sluyter JD, Aglipay M, Aloia JF, Ganmaa D, Bergman P, Borzutzky A, Damsgaard CT, Dubnov-Raz G, Esposito S, Gilham C, Ginde AA, Golan-Tripto I, Goodall EC, Grant CC, Griffiths CJ, Hibbs AM, Janssens W, Khadilkar AV, Laaksi I, Lee MT, Loeb M, Maguire JL, Majak P, Mauger DT, Manaseki-Holland S, Murdoch DR, Nakashima A, Neale RE, Pham H, Rake C, Rees JR, Rosendahl J, Scragg R, Shah D, Shimizu Y, Simpson-Yap S, Kumar GT, Urashima M, Martineau AR. Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials. Lancet Diabetes Endocrinol. 2021 May;9(5):276 – 292. doi: 10.1016/S2213-8587(21)00051-6.

Vijh R, Ghafari C, Hayden A, Schwandt M, Sekirov I, Morshed M, Levett P, Krajden M, Boraston S, Daly P, Lysyshyn M, Harding J, McLennan M, Chahil N, Mak A, McKee G. Serological survey following SARS-COV-2 outbreaks at long-term care facilities in metro Vancouver, British Columbia: Implications for outbreak management and infection control policies. Am J Infect Control. 2021 May;49(5):649-652. doi: 10.1016/j.ajic.2020.10.009.

Matic N, Lawson T, Ritchie G, Stefanovic A, Leung V, Champagne S, Romney MG, Lowe CF. Automated molecular testing of saliva for SARS-CoV-2 detection. Diagn Microbiol Infect Dis. 2021 May;100(1):115324. doi: 10.1016/j.diagmicrobio.2021.115324.

Alsharrah D, Alhaddad F, Alyaseen M, Aljamaan S, Almutairi N, Ayed M, Papenburg J, Alghounaim M. Clinical characteristics of pediatric SARS-CoV-2 infection and coronavirus disease 2019 (COVID-19) in Kuwait. J Med Virol. 2021 May;93(5):3246-3250. doi: 10.1002/jmv.26684.

Lewin A, Drews SJ, Lieshout‐Krikke R, Erikstrup C, Saeed S, Fady H, Uzicanin S, Custer B, O’Brien SF. An international comparison of anti‐SARS‐COV‐2 assays used for seroprevalence surveys from blood component providers. Vox Sang. 2021 Apr 29. doi: 10.1111/vox.13100.

Sundaram ME, Calzavara A, Mishra S, Kustra R, Chan AK, Hamilton MA, Djebli M, Rosella LC, Watson T, Chen H, Chen B, Baral SD, Kwong JC. Individual and social determinants of SARS-CoV-2 testing and positivity in Ontario, Canada: a population-wide study. CMAJ. 2021 Apr 27. doi: 10.1503/cmaj.202608.

Curran J, Dol J, Boulos L, Somerville M, McCulloch H, MacDonald M, LeBlanc J, Barrett L, Hatchette T, Comeau J, Reynolds B, Shin D, Gallant A, Wong H, Crowther D, Yu Z. Transmission characteristics of SARS-CoV-2 variants of concern Rapid Scoping Review. medRxiv. 2021 Apr 25. doi: 10.1101/2021.04.23.21255515.

Watkins-Martin K, Orri M, Pennestri M-H, Castellanos-Ryan N, Larose S, Gouin J-P, Ouellet-Morin I, Philippe F, Boivin M, Tremblay RE, Côté SM, Geoffroy M-C. Depression and anxiety symptoms in young adults before and during the Covid-19 pandemic: Evidence from a Canadian population-based cohort. medRxiv. 2021 Apr 23. doi: 10.1101/2021.04.23.21255994.

Banerjee A, El-Sayes N, Budylowski P, Jacob RA, Richard D, Maan H, Aguiar JA, Demian WL, Baid K, D’Agostino MR, Ang JC, Murdza T, Tremblay B.J.-M, Afkhami S, Karimzadeh M, Irving AT, Yip L, Ostrowski M, Hirota JA, Kozak R, Capellini TD, Miller MS, Wang B, Mubareka S, McGeer AJ, McArthur AG, Doxey AC, Mossman K, Experimental and natural evidence of SARS-CoV-2 infection-induced activation of type I interferon responses. ISCIENCE. 2021 Apr 23. doi: 10.1016/j.isci.2021.102477.

REMAP-CAP Investigators, Gordon AC, Mouncey PR, Al-Beidh F, Rowan KM, Nichol AD, Arabi YM, Annane D, Beane A, van Bentum-Puijk W, Berry LR, Bhimani Z, Bonten MJM, Bradbury CA, Brunkhorst FM, Buzgau A, Cheng AC, Detry MA, Duffy EJ, Estcourt LJ, Fitzgerald M, Goossens H, Haniffa R, Higgins AM, Hills TE, Horvat CM, Lamontagne F, Lawler PR, Leavis HL, Linstrum KM, Litton E, Lorenzi E, Marshall JC, Mayr FB, McAuley DF, McGlothlin A, McGuinness SP, McVerry BJ, Montgomery SK, Morpeth SC, Murthy S, Orr K, Parke RL, Parker JC, Patanwala AE, Pettilä V, Rademaker E, Santos MS, Saunders CT, Seymour CW, Shankar-Hari M, Sligl WI, Turgeon AF, Turner AM, van de Veerdonk FL, Zarychanski R, Green C, Lewis RJ, Angus DC, McArthur CJ, Berry S, Webb SA, Derde LPG. Interleukin-6 receptor antagonists in critically ill patients with Covid-19. N Engl J Med. 2021 Apr 22;384(16):1491-1502. doi: 10.1056/NEJMoa2100433.

Lebrasseur A, Fortin-Bédard N, Lettre J, Raymond E, Bussières EL, Lapierre N, Faieta J, Vincent C, Duchesne L, Ouellet MC, Gagnon E, Tourigny A, Lamontagne MÈ, Routhier F. Impact of the COVID-19 pandemic on older adults: rapid review. JMIR Aging. 2021 Apr 12;4(2):e26474. doi: 10.2196/26474.

Furman E, Cressman A, Shin S, Kuznetsov A, Razak F, Verma A, Diamant A. Prediction of personal protective equipment use in hospitals during COVID-19. Health Care Manag Sci. 2021 Apr 12:1–15. doi: 10.1007/s10729-021-09561-5.

Bullard J, Funk D, Dust K, Garnett L, Tran K, Bello A, Strong JE, Lee SJ, Waruk J, Hedley A, Alexander D, Caeseele PV, Loeppky C, Poliquin G. Infectivity of severe acute respiratory syndrome coronavirus 2 in children compared with adults. CMAJ. 2021 Apr 9, cmaj.210263; doi: 10.1503/cmaj.210263.

McAlister FA, Bushnik T, Leung AA, Saxinger L. Informing COVID-19 vaccination priorities based on the prevalence of risk factors among adults in Canada. CMAJ. 2021 Apr 9, cmaj.210529. doi: 10.1503/cmaj.210529.

Verma AA, Razak F. Lessons for hospital care from the first wave of COVID-19 in Ontario, Canada. Hosp Pract. 2021 Apr 9. doi: 10.1080/21548331.2021.1915657

Watson T, Kwong JC, Kornas K, Mishra S, Rosella LC. Neighbourhood characteristics associated with the geographic variation in laboratory confirmed COVID-19 in Ontario, Canada: a multilevel analysis. medRxiv. 2021 Apr 9. doi: 10.1101/2021.04.06.21254988.

Sadarangani M, Abu Raya B, Conway JM, Iyaniwura SA, Falcao RC, Colijn C, Coombs D, Gantt S. Importance of COVID-19 vaccine efficacy in older age groups. Vaccine. 2021 Apr 8;39(15):2020-2023. doi: 10.1016/j.vaccine.2021.03.020.

Goupil R, Benlarbi M, Beaubien-Souligny W, Nadeau-Fredette A-C, Chatterjee D, Goyette G, Lamarche C, Tom A, Finzi A, Suri RS. Short-term antibody response and tolerability after one dose of BNT162b2 vaccine in patients receiving hemodialysis: A report from the Quebec Renal Network COVID-19 study. medRxiv. 2021 Apr 8. doi: 10.1101/2021.03.30.21254652.

Mishra S, Ma H, Moloney G, You KCY, Darvin D, Landsman D, Kwong JC, Calzavara A, Straus S, Chan AK, Gournis E, Rilkoff H, Xia Y, Katz A, Williamson T, Malikov K, Kustra R, Maheu-Giroux M, Sander B, Baral SD. Increasing concentration of COVID-19 by socioeconomic determinants and geography in Toronto, Canada: an observational study. medRxiv. 2021 Apr 6. doi: 10.1101/2021.04.01.21254585.

Fell DB, Dimitris MC, Hutcheon JA, Ortiz JR, Platt RW, Regan AK, Savitz DA. Guidance for design and analysis of observational studies of fetal and newborn outcomes following COVID-19 vaccination during pregnancy. Vaccine. 2021 Apr 1;39(14):1882-1886. doi: 10.1016/j.vaccine.2021.02.070.

Nikiforuk AM, Kuchinski KS, Twa DDW, Lukac CD, Sbihi H, Basham CA, Steidl C, Prystajecky NA, Jassem AN, Krajden M, Patrick DM, Sekirov I. The contrasting role of nasopharyngeal angiotensin converting enzyme 2 (ACE2) transcription in SARS-CoV-2 infection: A cross-sectional study of people tested for COVID-19 in British Columbia, Canada. EBioMedicine. 2021 Apr 1;66:103316. doi: 10.1016/j.ebiom.2021.103316.

Cholette F, Mesa C, Harris A, Ellis H, Cachero K, Lacap P, Galipeau Y, Langlois M-A, Gingras A-C, Yansouni CP, Papenburg J, Cheng MP, Chakraborty P, Stein DR, Caeseele PV, Barlett S, Krajden M, Goldfarb D, McGeer A, Osiowy C, Hankins C, Mazer B, Drebot M, Kim J. Dried blood spot specimens for SARS-CoV-2 antibody testing: A multi-site, multi-assay comparison. Research Square. 2021 Apr 1. doi: 10.21203/rs.3.rs-366992/v1.

Valcourt EJ, Manguiat K, Robinson A, Chen JC, Dimitrova K, Philipson C, Lamoureux L, McLachlan E, Schiffman Z, Drebot MA, Wood H. Evaluation of a commercially-available surrogate virus neutralization test for severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Diagn Microbiol Infect Dis. 2021 Apr;99(4):115294. doi: 10.1016/j.diagmicrobio.2020.115294.

Carson G, Sigfrid L, Olliaro P, Norton A, Paparella G, Matulevics R, Gillesen A, Horby P, Hastie C, O’Hara M, Suett J, Moore S, Vaux R, Habarugira JM, Boily-Larouche G, Clark E, Hart P, Golding J, Madelaine C, Mackenwells B, Ruze K, Jamieson N, Resende L, Depoortere E, Kinsey A, Munblit D, Hanna F, Diaz J, Wilder-Smith A, Wiysonge C, Kaushic C, Reyes LF, Bruzzone R, Yazdanpanah Y, Ghebreyesus TA, Blydenstein AV, Keita A, Siqueira A, Cheung A, Stavropoulou C, Simpson F, Scott J, Breen J, Fokam J, Baillie K, Netravathi M, Herridge M, Alwan N, Rupali P, Zarychanski R, Choi S-H, Mlaba L, Badio M, Mewar B, G Assaf, Brightling C, Altmann D, Bozza F, Hung I, Ohmagari N, Singh S, Morioka S, Hatcher S, Piva S. Research priorities for Long Covid: refined through an international multi-stakeholder forum. BMC Med. 2021 Mar 31;19(84). doi: 10.1186/s12916-021-01947-0.

Stamatatos L, Czartoski J, Wan Y-H, Homad LJ, Rubin V, Glantz H, Neradilek M, Seydoux E, Jennewein MF, MacCamy AJ, Feng JL, Mize G, De Rosa SC, Finzi A, Lemos MP, Cohen KW, Moodie Z, McElrath J, McGuire AT. mRNA vaccination boosts cross-variant neutralizing antibodies elicited by SARS-CoV-2 infection. Science. 2021 Mar 25. doi: 10.1126/science.abg9175.

Cojocaru R, Yaseen I, Unrau PJ, Lowe CF, Ritchie G, Romney MG, Sin DD, Gill S, Slyadnev M. Microchip RT-PCR Detection of Nasopharyngeal SARS-CoV-2 Samples. J Mol Diagn. 2021 Mar 8. doi: 10.1016/j.jmoldx.2021.02.009.

Morshed M, Sekirov I, McLennan M, Levett PN, Chahil N, Mak A, Carruthers E, Pidduck T, Kustra J, Laley J, Lee M-K, Chu K, Burgess F, Vijh R, Willis L, Wada R, Blancaflor R, Boraston S, Hayden A, Krajden M. Comparative analysis of capillary vs venous blood for serologic detection of SARS-CoV-2 antibodies by RPOC lateral flow tests. Open Forum Infect. Dis. 2021 Mar;8(3). doi: 10.1093/ofid/ofab043.

Barton M, Papenburg J, Ulloa-Gutierrez R, Brenes-Chacon H, Yock-Corrales A, Ivankovich-Escoto G, Soriano-Fallas A, Mezerville MH, Bitnun A, Morris SK, El Tal T,  Yeh EA, Gill P, Laxer R, Nateghian A, Aski BH, Manafif A, Lefebvre M-A, Caya C, Cooke  S, Dewan T, Restivo L, Viel-Thériault I, Trajtman A, Dwilow R, Bullard J, Sadarangani M, Roberts A, Le Saux N, Bowes J, Wong JK, Purewal R, Lautermilch J, Leifso K, Foo C, Newhook LA, Bayliss A, Petel D, Robinson J on behalf of the Paediatric Investigators Collaborative Network on Infections in Canada (PICNIC). Multicenter cohort study of children hospitalized with SARS-CoV-2 infection. MedRxiv. 2021 Feb 23. doi.org/10.1101/2021.02.19.21251340.

Therrien C, Serhir B, Bélanger-Collard M, Skrzypczak J, Shank DK, Renaud C, Girouard J, Loungnarath V, Carrier M, Brochu G, Tourangeau F, Gilfix B, Piche A, Bazin R, Guérin R, Lavoie M, Martel-Laferrière V, Fortin C, Benoit A, Marcoux D, Gauthier N, Laumaea AM, Gasser R, Finzi A, Roger M. Multicenter evaluation of the clinical performance and the neutralizing antibody activity prediction properties of 10 high-throughput serological assays used in clinical laboratories. J Clin Microbiol. 2021 Feb 18;59(3):e02511-20. doi: 10.1128/JCM.02511-20.

Ismail SJ, Zhao L, Tunis MC, Deeks SL, Quach C. Key populations for early COVID-19 immunization: preliminary guidance for policy. CMAJ. 2020 Nov 30;192(48):E1620-32. doi: 10.1503/cmaj.202353.

Perreault J, Tremblay T, Fournier MJ, Drouin M, Beaudoin-Bussières G, Prévost J, Lewin A, Bégin P, Finzi A, Bazin R. Waning of SARS-CoV-2 RBD antibodies in longitudinal convalescent plasma samples within 4 months after symptom onset. Blood. 2020 Nov 26;136(22):2588-2591. doi: 10.1182/blood.2020008367.

Vijh R, Ghafari C, Hayden A, Schwandt M, Sekirov I, Morshed M, Levett P, Krajden M, Boraston S, Daly P, Lysyshyn M, Harding J, McLennan M, Chahil N, Mak A, McKee G. Serological survey following SARS-COV-2 outbreaks at long-term care facilities in metro Vancouver, British Columbia: Implications for outbreak management and infection control policies. Am J Infect Control. 2020 Oct 18. doi: 10.1016/j.ajic.2020.10.009.

Kohler PP, Kahlert CR, Sumer J, Flury D, Güsewell S, Leal-Neto OB, Notter J, Albrich WC, Babouee Flury B, McGeer A, Kuster S, Risch L, Schlegel M, Vernazza P. Prevalence of SARS-CoV-2 antibodies among Swiss hospital workers: Results of a prospective cohort study. Infect Control Hosp Epidemiol. 2020 Oct 8:1-5. doi: 10.1017/ice.2020.1244.

Isho B, Abe KT, Zuo M, Jamal AJ, Rathod B, Wang JH, Li Z, Chao G, Rojas OL, Bang YM, Pu A, Christie-Holmes N, Gervais C, Ceccarelli D, Samavarchi-Tehrani P, Guvenc F, Budylowski P, Li A, Paterson A, Yue FY, Marin LM, Caldwell L, Wrana JL, Colwill K, Sicheri F, Mubareka S, Gray-Owen SD, Drews SJ, Siqueira WL, Barrios-Rodiles M, Ostrowski M, Rini JM, Durocher Y, McGeer AJ, Gommerman JL, Gingras AC. Persistence of serum and saliva antibody responses to SARS-CoV-2 spike antigens in COVID-19 patients. Sci Immunol. 2020 Oct 8;5(52):eabe5511. doi: 10.1126/sciimmunol.abe5511.

Abe KT, Li Z, Samson R, Samavarchi-Tehrani P, Valcourt EJ, Wood H, Budylowski P, Dupuis AP 2nd, Girardin RC, Rathod B, Wang JH, Barrios-Rodiles M, Colwill K, McGeer AJ, Mubareka S, Gommerman JL, Durocher Y, Ostrowski M, McDonough KA, Drebot MA, Drews SJ, Rini JM, Gingras AC. A simple protein-based surrogate neutralization assay for SARS-CoV-2. JCI Insight. 2020 Oct 2;5(19):e142362. doi: 10.1172/jci.insight.142362.

Van Caeseele P, Bailey D, Forgie SE, Dingle TC, Krajden M. SARS-CoV-2 (COVID-19) serology: implications for clinical practice, laboratory medicine and public health. CMAJ. 2020 Aug 24;192(34):E973-E979. doi: 10.1503/cmaj.201588.

Anderson G, Frank JW, Naylor CD, Wodchis W, Feng P. Using socioeconomics to counter health disparities arising from the covid-19 pandemic. BMJ. 2020 Jun 8;369:m2149. doi: 10.1136/bmj.m2149.

Cheng MP, Yansouni CP, Basta NE, Desjardins M, Kanjilal S, Paquette K, Caya C, Semret M, Quach C, Libman M, Mazzola L, Sacks JA, Dittrich S, Papenburg J. Serodiagnostics for severe acute respiratory syndrome–related coronavirus 2: a narrative review. Ann Intern Med. 2020 Jun 4;173(6):450-460. doi: 10.7326/M20-2854.

Cheng MP, Papenburg J, Desjardins M, Kanjilal S, Quach C, Libman M, Dittrich S, Yansouni CP. Diagnostic testing for severe acute respiratory syndrome–related coronavirus 2: a narrative review. Ann Intern Med. 2020 Jun 2;172(11):726-734. doi: 10.7326/M20-1301.