File photo shows a researcher puts on a protective suit before entering P4 lab in Wuhan, capital of central China's Hubei Province. (Xinhua/Yin Gang)
WUHAN, Feb. 9 (Xinhua) -- Laboratory incident is "extremely unlikely" the cause of COVID-19, Peter Ben Embarek, a member of the WHO-China joint study team, said at a press conference on Tuesday. ■
