Intranasal booster trials get DCGI nod Part of: Prelims and GS-II Health Context: The Drugs Controller General of India (DCGI) has given vaccine manufacturer Bharat Biotech approval for conducting Phase 3 clinical trials of an intranasal booster dose for those who have received both doses of Covaxin. The chimpanzee adenovirus vectored COVID-19 vaccine (BBV154) will […]

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