Covid, two doses are sufficient according to the US regulatory agencies FDA and CDC
ROME. The US health authorities Centers for Disease Control and Prevention (CDC) and Food and Drug Administration (FDA) believe that Americans who have already received two doses of the vaccine should not undergo a third administration, despite the spread of new Covid variants. 19. “Americans who have been fully vaccinated do not need a booster dose right now,” reads a joint statement released shortly after Pfizer and BioNTech announced plans to seek FDA clearance for a third dose. of their Covid vaccine.
Pfizer-BioNTech had expressed its intention to ask the FDA, the American drug authority, for authorization for a third dose of the Covid vaccine to give “even greater protection” to the population. In a statement, the pharmaceutical company explained that there are “encouraging data”, which will be made public in the coming weeks, on the supplemental dose of the vaccine, which would increase the level of antibodies by five to ten times if administered six months after the second. dose. Pfizer-Biontech had stated that “a third dose could be of benefit within 6-12 months following the second dose to maintain higher levels of protection.”