Pfizer CEO: Third COVID-19 vaccine, annual booster shots likely scenario
"A likely scenario is that there will likely be a need for a third dose somewhere between six and 12 months [after the initial vaccination] and from there, there will be an annual revaccination."
Pfizer CEO Albert Bourla introduces US President Joe Biden as the president toured a Pfizer manufacturing plant producing the coronavirus disease (COVID-19) vaccine in Kalamazoo, Michigan, US, February 19, 2021.(photo credit: REUTERS/TOM BRENNER)ByIDAN ZONSHINE, REUTERS