International research review

COVID-19 vaccine effectiveness against hospitalization and emergency department visits: a comparison

By Mariana Bego COVID-19 vaccines are effective at preventing hospitalizations and emergency department visits caused by the Delta variant, according to several recent publications. The data also indicate that Moderna’s vaccine is significantly more effective against Delta than Pfizer-BioNTech or Johnson & Johnson’s Janssen. Real-world data show that vaccines remain highly effective at reducing [...]

2021-09-20T23:43:15-04:00September 21, 2021|International research review|

Humoral immunity to seasonal coronaviruses may be associated with better outcomes in COVID-19

By Varun C. Anipindi People infected with SARS-CoV-2 can experience a wide range of outcomes, ranging from asymptomatic infection to severe disease and death. While emerging evidence indicates that antibodies may represent a major correlate of protection, the specific mechanisms by which they influence overall disease outcomes is unknown.  In this pre-print, not yet [...]

2021-09-20T23:50:31-04:00September 21, 2021|International research review|

Increase in SARS-CoV-2 Seroprevalence in the U.S. from July 2020 to May 2021

By Marija Djekic-Ivankovic The proportion of people in the U.S. with SARS-CoV-2 antibodies remains uncertain. A new study published in JAMA used a sample of 1.44 million blood samples from July 2020 through May 2021 to estimate the SARS-CoV-2 seroprevalence in the general US population aged 16 years and older. Findings indicate that the [...]

2021-09-13T23:57:41-04:00September 14, 2021|International research review|

The two new SARS-CoV-2 variants scientists are tracking

by Mariana Bego The World Health Organization (WHO) has recently introduced a new Variant of Interest (VOI) titled Mu or B.1.621. This new variant is becoming increasingly prevalent in parts of South America, namely Colombia and Ecuador. South African scientists are also closely monitoring the development of another new variant in the region called [...]

2021-09-13T23:50:30-04:00September 14, 2021|International research review|

Concerns about legal challenges to COVID-19 public health orders

By Alexis Palmer-Fluevog The field of public health has never been without critics. Globally, public health officers wield varying amounts of power, with the North American court systems historically respecting and upholding public health order. In this article published in the New England Journal of Medicine, Mello and colleagues voice their concerns about the [...]

2021-09-14T00:01:00-04:00September 14, 2021|International research review|

Outcomes of COVID-19 in children and adolescents with cancer

By Marija Djekic-Ivankovic Previous studies have shown that children with COVID-19 generally have a milder disease course compared to adults. However, children with cancer have a higher risk of severe disease due to infection with other respiratory viruses, suggesting they may also be at higher risk for COVID-19 complications. A recent multi-national study, published [...]

2021-09-07T15:15:46-04:00September 7, 2021|International research review|

Delta doubles risk of hospitalization compared to Alpha, study finds

New research out of England published in The Lancet Infectious Diseases suggests that hospitalization and visits to the emergency department are twice as likely with the variant of concern (VOC) Delta compared to the Alpha variant. These findings come at a time when Delta is surging worldwide, forewarning its significant strain on healthcare systems. [...]

2021-09-07T15:16:38-04:00September 7, 2021|International research review|

Administering a third booster shot: an ethical dilemma

By Varun C. Anipindi While countries around the world are working to get their populations vaccinated, the emergence of SARS-CoV-2 variants of concern (VOCs) has threatened our return to normalcy. With the rise of breakthrough infections associated with the Delta variant, public health agencies in middle- and high-income countries are debating the need for [...]

2021-08-31T11:21:48-04:00August 31, 2021|International research review|

A snapshot of the current landscape of COVID-19 vaccines

By Varun C. Anipindi As the world – and Canada – deals with increasing case numbers due to variants, scientists from the Imperial College London provide a snapshot of emerging data on real-life efficacy of COVID-19 vaccines against variants. In this Nature Reviews Immunology article, they also discuss future considerations needed to overcome this [...]

2021-08-24T12:35:10-04:00August 24, 2021|International research review|
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