Study shows Pfizer covid vaccine effectiveness drops by 41% after six months
On Monday, the U.S health agencies published data revealing that the effectiveness of the Pfizer Inc /BioNTech SE vaccine in ...
On Monday, the U.S health agencies published data revealing that the effectiveness of the Pfizer Inc /BioNTech SE vaccine in ...
The US Food and Drug Administration (FDA) has announced that Pfizer’s Covid-19 vaccine has gotten its emergency authorization.
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