Pfizer CEO Albert Bourla believes a 4th dose is necessary along with an annual booster that can last for at least a year
Pfizer CEO Albert Bourla believes a 4th dose is necessary along with an annual booster that can last for at least a year
Second Booster Shot for , Americans Over 50 Authorized by FDA.
Second Booster Shot for , Americans Over 50 Authorized by..
"The protection that you're getting from the third, it is 'good enough'... it's not..