Genetic material collected at a Chinese market near where the first human cases of COVID-19 were identified show raccoon dog DNA comingled with the virus, suggesting the pandemic may have originated from animals, not a lab, international experts say.
Other experts have not yet verified their analysis, which has yet to appear in a peer-reviewed journal. How the coronavirus began sickening people remains uncertain. The sequences will have to be matched to the genetic record of how the virus evolved to see which came first.
“These data do not provide a definitive answer to how the pandemic began, but every piece of data is important to moving us closer to that answer,” World Health Organization Director-General Tedros Adhanom Ghebreyesus said Friday.
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