Pfizer vaccine is 94% effective in real-world study

Video Credit: Reuters Studio
Published on February 25, 2021 - Duration: 01:47s

Pfizer vaccine is 94% effective in real-world study

The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the shot is highly effective at preventing COVID-19, in a potentially landmark moment for countries desperate to end lockdowns and reopen economies.

Gloria Tso reports.


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