Pfizer’s Covid vaccine is 85% effective after one dose and blocks 75% of transmission
Pfizer/BioNTech’s coronavirus vaccine is 85 per cent effective after the first dose, according to an Israeli study Pfizer/BioNTech’s coronavirus vaccine is 85 per cent effective after the first dose, according to an Israeli study that bolsters Britain’s decision to delay the second injection. The UK drew criticism in January when it pushed back the second … Read more