An international team of scientists led by the World Health Organization said Tuesday that the coronavirus “most likely” originated in animals before spreading to humans and dismissed a theory that the disease had been leaked by a laboratory in the Chinese city of Wuhan. In terms of understanding what happenedContinue Reading

Mathematical analysis suggests that preventing large gatherings could significantly reduce Covid-19 infection rates. There have been many documented cases of Covid-19 “super-spreading” events, in which one person infected with the SARS-CoV-2 virus infects many other people. But how much of a role do these events play in the overall spread of theContinue Reading