Pfizer and Moderna say fourth doses of COVID-19 vaccines may be necessary, but many Canadians still haven’t gotten a third shot.
Posts tagged as “Vaccination”
COVID-19 update: Pandemic toll, antiviral treatments, natural immunity, and crackdowns on medical exemptions
COVID-19 Update: Saskatchewan intensive care crisis, new vaccine safety data, and pushback on health worker mandates
COVID-19 Update: Vaccinating kids, new federal proof-of-vaccination, concerns over “Delta plus” variant