WHO's 'Science In 5' On COVID-19 : Tracking Variants https://ift.tt/CB42bXd

How does WHO track variants for SARS CoV-2, the virus that causes COVID-19? What are the challenges on the ground? What are variants WHO is tracking at this time? WHO's Dr Maria Van Kerkhove explains in 'Science in 5'. [Credit: World Health Organisation]

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