Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. All Theories Still Open Regarding COVID-19 Origins, WHO Chief Says VOA News World Health Organization Director-General Tedros Adhanom Ghebreyesus said Friday all hypotheses regarding the origins of COVID-19 remain open, following his discussions with investigative team members about the findings during their visit to China. The WHO-led international team this week completed a visit to China where they investigated the origins of COVID-19, including a visit to the Wuhan Institute of Virology, where some have speculated the virus could have originated. At a news conference before departing China, WHO scientist Peter Ben Embarek told reporters their initial findings led them to believe it was highly unlikely the virus originated in a lab. .