Pfizer and BioNTech said their submission is based on real-world data from Israel when the omicron variant was circulating.
Pfizer CEO Dr. Albert Bourla said this week thatfourth shots are “necessary.
Pfizer and BioNTech said their submission is based on real-world data from Israel when the omicron variant was circulating.
Pfizer CEO Dr. Albert Bourla said this week thatfourth shots are “necessary.