Pfizer said Wednesday that real-world data suggests its coronavirus vaccine is 94% effective in halting asymptomatic infections and effective against a highly transmissible variant first discovered in the United Kingdom.
Israeli analysis of vaccine distribution shows the vaccine being over 97% effective in preventing symptomatic cases and death, higher than the 90% efficiency that was reported in the vaccine’s Phase III trials, Pfizer said in a press release Thursday. Over 80% of the tested specimens were against the UK variant known as B.1.1.7.
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