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Coronavirus (COVID-19): Why are bat viruses so deadly?

February 27, 2020

The original source of the virus causing coronavirus
disease 2019 is believed to be bats, as in some other coronavirus pandemics. Now, a new study finds that the fierce immune
responses that allow bats to host viruses without getting sick may, in turn, drive those
viruses to spread more quickly inside them. So, when the viruses jump to other mammals,
with average immune systems, including humans, they wreak deadly havoc. The researchers infected bat cells with virus
and matched their experiments with mathematical models. The models show this faster spread rate countered
by the bat immune response. Next step? A more formal model of virus evolution in
bat immune systems to better understand the pathology upon spillover to other
animal and human hosts.


  • Reply Sam Wilson February 27, 2020 at 6:05 pm

    it's man made..and you know damn well it is

  • Reply Maurice Upton February 27, 2020 at 6:07 pm

    Blaming the poor bats…the bats had the last laugh:)

  • Reply C H February 27, 2020 at 6:41 pm

    Soooo maybe people should stop eating bats and other exotic animals? Crazy idea, I know.

  • Reply Getafix February 27, 2020 at 7:07 pm

    stop blaming on the bats you fools

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