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
COVID-19 Variant Supplement – The COVID‑19 Ontario Pregnancy Event (COPE) Network: Assessing the impact of COVID‑19 in pregnancy on maternal, fetal and newborn health
COVID-19 Variant Network – Agent-based and multi-scale mathematical modelling of COVID‑19 for assessments of sustained transmission risk and effectiveness of countermeasures