Study Purports SARS-CoV-2 Traveled Through Wildlife Trade, Not Bat Migration
- Researchers from UC San Diego published a study in Cell showing SARS-CoV-2 emerged in humans in Wuhan in late 2019.
- The virus’s closest ancestors were found in horseshoe bats from regions of western China and northern Laos, and it reached Wuhan—located over a thousand kilometers away—through the movement of wildlife used in trade.
- The study found that natural bat dispersal alone is highly unlikely due to bats’ limited foraging range of 2–3 kilometers, implying intermediate hosts transported the virus.
- Jonathan Pekar noted the virus ancestors left their original areas only one to two years before SARS and five to seven years before COVID-19 emerged in Wuhan.
- These findings challenge the lab-leak theory, emphasize risks from wildlife trade, and suggest monitoring bat viruses could help prevent future pandemics.
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Coronavirus Likely Was Moved by Wildlife, Research Shows
Days after the US and China again took shots at each other over the origin of COVID-19, researchers have published a genetic study with new reasons to think it was distributed by wildlife. The team compared the development of the earlier SARS epidemic, which killed 774 people in 33 countries,...
·Miami, United States
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