Covaxin booster shot enhances Covid vaccine effectiveness against Delta, Omicron variants: ICMR study

New Delhi, Jun 15: The administration of Covaxin as a booster dose enhances vaccine effectiveness against COVID-19’s Delta variant and gives protection against Omicron variants BA.1.1 and BA.2, a study by ICMR and Bharat Biotech has found. The protective efficacy of
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