Covishield had 63% effectiveness against Delta variant in second wave - News Summed Up

Covishield had 63% effectiveness against Delta variant in second wave


New Delhi(CNN) — Santosh Singh's earliest memory is of tilling soil on his family's farm. Now, the 70-year-old farmer's eyes gleam with pride as he recalls watching his grandson do the same. But Singh...


Source: The Hindu November 26, 2021 20:41 UTC



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