COVID-19 Variant Supplement – Engage-COVID-19: A mixed methods study of biomedical, behavioural, and psychosocial aspects of the COVID‑19 pandemic among gay, bisexual, and other men who have sex with men in Canada
SARS-CoV-2 variants under investigation (VUIs) and variants of concern (VOCs); phenotyping gaps in transmission, reinfection and response to medical countermeasures
COVID-19 Variant Supplement – Gig couriers delivering people, food and packages in a pandemic: Containment strategies to mitigate the occupational and public health impact