Vismita Gupta-Smith Hello and welcome to Science in 5. I'm Vismita Gupta-Smith and this is WHO's conversations in science. We're going to continue our conversation on COVID-19 vaccines and explaining the science and evidence behind it is WHO's Chief Scientist Dr. Soumya Swaminathan. Welcome, Soumya. https://youtu.be/ihi55JzTCqU https://youtu.be/ihi55JzTCqU

https://youtu.be/ufShtVYY6Q4

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