Download bharat biotech s covaxin shows 77.8% efficacy rate in phase 3 trial

Duration: (4:56) 2025-01-30T01:19:51+00:00



bharat biotech s covaxin shows 77.8% efficacy rate in phase 3 trial bharat biotech s covaxin shows 77.8% efficacy rate in phase 3 trial bharat biotech s covaxin shows 77.8% efficacy rate in phase 3 trial

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