Covid Vaccine Likely By First Half Of 2021, WHO Chief Scientist Tells NDTV

PUBLISHED ON: July 28, 2020 | Duration: 8 min, 58 sec

  
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After the world's largest vaccine trials enter phase three, WHO Chief Scientist tells NDTV that first mass production of vaccine is expected by first half of 2021. Dr Swaminathan says different end-points are being looked at in different trials and short term results will be known in next six months.
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