Security personnel block journalists after the World Health Organization team arrive at the Baishazhou wholesale market on the third day of field visit in Wuhan in central China's Hubei province on Sunday, January 31, 2021. WHO says the team plans to visit hospitals, markets and laboratories in a politically charged mission as China seeks to avoid blame for alleged early missteps. A single visit by scientists is unlikely to confirm the virus’s origins. (Photo by Ng Han Guan/AP Photo)
