Researchers and scientists in the city are surprised at the speed at which Russia has developed Sputnik V, the world's first Covid vaccine that scientists at Moscow’s Gamaleya Institute said was ready for mass production.from Kolkata News, Latest Kolkata News Headlines & Live Updates - Times of India https://ift.tt/2XPA3b2
Kolkata scientists sceptical about Russian vaccine
![Kolkata scientists sceptical about Russian vaccine]()
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August 11, 2020
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