In this Feb. 2, 2021, file photo, a member of a World Health Organization team is seen wearing protective gear during a field visit to the Hubei Animal Disease Control and Prevention Center for another day of field visit in Wuhan in central China’s Hubei province. A joint WHO-China study on the origins of COVID-19 says that transmission from bats to humans through another animal is the most likely scenario and that a lab leak is “extremely unlikely,” according to a draft copy obtained by The Associated Press. (AP Photo/Ng Han Guan, File)