CNN’s Dr. Sanjay Gupta speaks with Pfizer’s Chief Scientific Officer Mikael Dolsten about preliminary lab studies that show a booster of the Pfizer/BioNTech vaccine is needed to neutralize the Omicron variant and that first two doses may not provide sufficient protection.
CNN’s Dr. Sanjay Gupta speaks with Pfizer’s Chief Scientific Officer Mikael Dolsten about preliminary lab studies that show a booster of the Pfizer/BioNTech vaccine is needed to neutralize the Omicron variant and that first two doses may not provide sufficient protection.