Theory that Coronavirus Escaped from a Lab Lacks Evidence

The pathogen appears to have come from wild animals, virologists say, and there are no signs of genetic manipulation in the SARS-CoV-2 genome.

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Since the early days of the COVID-19 epidemic, theories have circulated about the origin of the novel coronavirus causing the disease, SARS-CoV-2. One prominent rumor is that it first escaped from a lab in Wuhan studying bat coronaviruses and then spread to the public. This theory has also evolved into claims that the virus was genetically engineered to be a bioweapon. But scientists say that while there’s not enough information to pinpoint where the virus came from, there is no evidence that it was created in a lab.

The lab-escape theory had been circulating on social media and various blogs for weeks, but gained considerable visibility in a New York Post article in late February. In it, Steven Mosher, a social scientist and the president of the Population Research Institute in Front Royal, Virginia, summarizes why he believes SARS-CoV-2 may have been accidentally spread by China’s ...

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