WUHAN, China - The coronavirus most likely first appeared in humans after jumping from an animal, a team of international and Chinese scientists looking for the origins of COVID-19 said Tuesday, dismissing as unlikely an alternate theory that the virus leaked from a Chinese lab.A closely watched visit by World Health Organization experts to Wuhan — the Chinese city where the first coronavirus cases were discovered — did not dramatically change the current understanding of the early days of the pandemic, said Peter Ben Embarek, the leader of the WHO mission.But it did "add details to that story," he said at a news conference as the group wrapped up a nearly four-week visit to the city.And it allowed the joint Chinese-WHO team to rule out one.