COVID-19: Variants & Vaccines
Jan 08, 2021•6 min•Season 1Ep. 20
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Episode description
How concerned should we be about the new variants of SARS CoV 2 which cause COVID-19? Is it unusual for viruses to change and mutate? Do vaccines protect against these variants and what can you do to protect yourself? WHO’s Chief Scientist Dr Soumya Swaminathan explains in Science in 5.
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