28 Three doses of COVID-19 vaccine are likely needed for full protection, Fauci says (www.ctvnews.ca) posted 3 years ago by border_humper 3 years ago by border_humper +29 / -1 16 comments share 16 comments share save hide report block hide replies
So why isn't this the case for the flu? How many decades have people been vaccinated for? Has it made any real difference?