Bharat Biotech says Covaxin shows 78pc efficacy against mild to severe COVID-19

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Edited by Suman Singh

Link : https://yourstory.com/2021/04/bharat-biotech-covaxin-shows-78-pc-efficacy-covid19-vaccine
Author :- Press Trust of India ( )
April 21, 2021 at 05:30PM
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