Canada approves two astrazeneca covid 19 vaccines CTV News Infectious Disease Specialist Dr. Abdu Sharkawy said people concerned about the efficacy of the AstraZeneca vaccines should look to a regular flu season for some “perspective.”
“A great match between a circulating flu strain and the vaccine in a given year might not exceed 60 per cent. If the flu vaccine is delivered widely in the community, we see dramatic reduction in every bad outcome,” he told CTV News Channel on Friday.
https://www.ctvnews.ca/health/coronavirus/health-canada-approves-two-astrazeneca-covid-19-vaccines-1.5325451