The Pfizer-BioNTech vaccine has been definitively approved by the American Food and Drug Administration (FDA) for all people aged 16 and over. The vaccine, marketed as “Cominarty”, was 91% effective in preventing Covid infection. “From a legal point of view Pfizer’s becomes an approved vaccine and this opens the door to legal provisions that can lead to the obligation of vaccination” The two American pharmaceutical companies presented to the FDA the data relating to the clinical trial of 44,000 participants in the USA, the European Union, Turkey, South Africa and South America. The vaccine can now be marketed under the Comirnaty brand. Until now, the drug had been used thanks to an emergency authorization from the FDA, on 11 December 2020. Pfizer’s vaccine is a drug that can be regularly marketed and no longer limited to emergency situations. The vaccine manufactured by Pfizer-BioNTech has been definitively approved by the FDA for people aged 16 and over.