Pfizer jab 97% effective against symptomatic Covid
[ad_1] The Pfizer / BioNTech coronavirus vaccine offers more protection than previously thought with an effectiveness in preventing symptomatic illness reaching 97%, based on real-world evidence published by pharmaceutical companies. Using data from January 17 to March 6 from Israel’s national vaccination campaign, Pfizer / BioNTech found that prevention against asymptomatic diseases also reached 94%. … Read more