Congregate settings (such as prisons, long-term care homes) have provided opportunities for COVID-19 to flourish. As part of her CITF-funded work recently released in a Lancet preprint, therefore not yet peer reviewed, Dr. Nadine Kronfli from the Research Institute of the McGill University Health Centre found that the number of incarcerated men at three provincial prisons in Quebec with antibodies due to a SARS-CoV-2 infection was two times higher than among nonvaccinated individuals in the Montreal area.