Pfizer, request for booster dose to all adults in the USA

Pfizer has asked the Food and Drug Administration for emergency authorization for the use of the booster dose of the vaccine for all over 18. The company has announced that the request is based on the results of the Trial – phase 3 which involved over 10,000 participants. The booster dose, as it was already announced in October, was found to be safe and proved to be 95% effective against symptomatic forms of covid. Pfizer has already obtained the authorization for the administration of the booster dose to the over 65s, to frail subjects and to those considered at high risk of infections. The Pfizer booster dose can also be given to those who have received other vaccines on their regular cycle. Read also