Virologist Dr Chris Smith: Covid science news - a podcast by RNZ

Our regular commentator Cambridge University consultant clinical virologist Dr Chris Smith joins us with the latest Covid-19 science, and to answer your questions. This week, the latest on India's deadly second wave - yesterday the country recorded the highest one-day tally of new Covid-19 cases anywhere in the world (314,835). He'll discuss a coronavirus variant officially known as B1617 - identified in India and being investigated by scientists across the world, as well as the latest on vaccines and whether a third dose of the Pfizer vaccine will be required.

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