Nearly two years into the COVID-19 pandemic, the origins of the virus remain shrouded in mystery. Most scientists believe the virus jumped from bats to humans, either directly or through another animal. Others theorize it escaped from a lab.http://apne.ws/cq2MZmd
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Many researchers believe wild animals were intermediate hosts for SARS-CoV-2, the virus that causes COVID-19, meaning they were infected with a bat coronavirus that evolved — and then was transmitted to humans. http://apne.ws/KvN6HIa pic.twitter.com/I4BhljWahR
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Experts worry that the same sort of animal-to-human transmission of viruses could worsen this pandemic or spark new ones. Failing to fully investigate the animal origins, scientists wrote in the journal Cell, would “leave the world vulnerable.” http://apne.ws/r58fYhR pic.twitter.com/opUTEV3Dh8
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Another fear is that the virus could incubate in animals and then unleash new variants. “We’re probably not going to do a big giraffe immunization program any time soon," said David O’Connor, a virology expert at the University of Wisconsin-Madison.http://apne.ws/IG5MSYM
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The World Health Organization has formed an advisory group to look into the pandemic’s origins. But further investigation has been stymied by tensions between the U.S. and China. For more
@AP coverage of the coronavirus pandemic:http://apne.ws/4S0M04VShow this thread
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A scientist known for investigating viral origins has reconstructed the first known weeks of the pandemic, adding to a growing body of evidence that the virus behind it jumped from infected animals to humans rather than emerging from laboratory research.https://www.wsj.com/articles/new-reconstruction-points-to-animal-origins-for-covid-19-11637262041 …
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