What causes Covid-19 Coronavirus to change to a new variant? What is the impact on Covid-19 vaccines? How can we prevent new variants? Does vaccination help? These are some popular questions our listeners ask about the new variant of Covid-19 virus.
Kulasegaram Sanchayan talks to Dr. Pavithra Venkatagopalan, who currently runs a medical diagnostic centre in Chennai and a research laboratory in Bangalore, to find the answers.
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