Pfizer’s coronavirus vaccine was over 94% effective in preventing asymptomatic cases of COVID-19, according to real-world Israeli data released late Thursday.
The latest analysis suggests that Pfizer’s vaccine could overwhelmingly halt asymptomatic spread — a main driver of infections since asymptomatic people are often unaware they have the virus. The data also showed that the vaccine was 97% effective in preventing symptomatic cases, hospitalizations and deaths, slightly higher than the 95% effectiveness found in its clinical trials.
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