Aaj tak top news hindi - HINDI NEWS AAJ TAK TODAY: Pfizer’s shot remains strong against disease, but Israeli data raise the prospect of it waning against infection.

Friday, July 23, 2021

Pfizer’s shot remains strong against disease, but Israeli data raise the prospect of it waning against infection.

By BY CARL ZIMMER from NYT Science https://ift.tt/36UjMWy

Labels: NYT

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