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COVID-19 variants and Vaccines

  This interview from the World Health Organisation (WHO) conversations in science programme explains more about variants of the SARS-CoV-2 virus that causes COVID-19, how concerned we should be, and whether vaccines provide protection against these variants.  Vismita Gupta-Smith interviewed WHO’s Chief Scientist, Dr. Soumya Swaminathan. Soumya, tell us what …

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