The Covid-19 Pandemic Almost Didn't Happen, A New Genetic Dating Study Shows
Researchers working to show when and how the virus first emerged in China calculate that it probably did not infect the first human being until October 2019 at the very earliest. Their models showed something else: It almost didn't make it as a pandemic virus. Only bad luck and the packed conditions of the seafood market in Wuhan -- the place the pandemic appears to have begun -- gave the virus the edge it needed to explode around the globe. We now know that the COVID-19 virus had to catch a lucky break or two to actually firmly become established, says Dr. Michael Worobey, BIO5 associate director and professor of evolutionary biology at the University of Arizona.