On Monday, Pfizer and BioNTech announced they have asked the FDA to grant an emergency use authorization for their new version of a Covid-19 vaccine that’s been adapted to be specific to the BA.4/BA.5 versions of the Omicron variant.
On Monday, Pfizer and BioNTech announced they have asked the FDA to grant an emergency use authorization for their new version of a Covid-19 vaccine that’s been adapted to be specific to the BA.4/BA.5 versions of the Omicron variant.