Where Are We in Hunting for the Coronavirus’s Origin?: QuickTake

Scientists have yet to determine the origins of Covid-19, years after it touched off the worst pandemic in more than a century. Some of the closest related viruses to the one that causes it, SARS-CoV-2, were found in bats roughly 1,000 miles (1,600 kilometers) from the central Chinese city of Wuhan, where the disease erupted in late 2019. Initially, cases were tied to a fresh food market and possibly the wildlife sold there. An investigation in early 2021 highlighted the possibility that certain mammals acted as a vector, transferring the virus from bats to humans. There are more politically charged ...