newsare.net
The Pfizer-BioNTech vaccine’s protection against Covid “declines faster” than its Oxford-AstraZeneca competitor, with both less effective against the Delta variant, according to an Oxford University study released on Thursday. Read Full Article at RT.coOxford University study claims its AstraZeneca Covid vaccine’s effectiveness declines slower than Pfizer competitor
The Pfizer-BioNTech vaccine’s protection against Covid “declines faster” than its Oxford-AstraZeneca competitor, with both less effective against the Delta variant, according to an Oxford University study released on Thursday. Read Full Article at RT.com Read more