Israel reported on Monday a decrease in the effectiveness of the Pfizer/BioNTech Covid-19 vaccine in preventing infections and symptomatic illness but said it remained highly effective in preventing serious illness. The decline coincided with the spread of the Delta variant and the end of social distancing restrictions in Israel. Vaccine effectiveness in preventing both infection and symptomatic disease fell to …
Read More »Israel sees drop in Pfizer vaccine protection against infections
July 6, 2021