As US Sees Surge In Covid Cases, Expert Answers FAQs On Vaccine Efficacy

PUBLISHED ON: August 17, 2021 | Duration: 5 min, 21 sec

Dr Kiran G Kulirankal, assistant professor, division of infectious diseases, Amrita hospitals, Kochi, tells us how mRNA vaccines work, and how efficacy of vaccines is reduced with the Delta variant.
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