BioNTech : Covid-19 Vaccine From Pfizer-BioNTech Was 97% Effective at Preventing Illness in Israel
By Peter Loftus A new analysis from Israel found that maximum protection from Pfizer Inc. and BioNTech SE's Covid-19 vaccine kicked in at least two weeks after people received the second dose, and it held up even against a more transmissible variant. The Israeli analysis of real-world use of the vaccine, released Thursday, also showed that the shot was highly effective at preventing infections that don't cause symptoms, a sign that it could be helping to limit spread of the virus. And the data indicated two doses were more protective than one. The shot's performance in Israe...