Newly Discovered Bat Viruses Give Hints to Covid’s Origins अक्तूबर 14, 2021 byप्रगतिवादी मंच एक टिप्पणी भेजें Coronaviruses discovered in Laotian bats are surprisingly adept at infecting human cells, showing that such deadly features can indeed evolve outside of a lab. source https://www.nytimes.com/2021/10/14/science/bat-coronaviruses-lab-leak.html
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