World Health Organization-led team probing the origins of COVID-19 said bats remain a likely source and that transmission of the virus via frozen food is a possibility that warrants further investigation, but he ruled out a lab leak.Peter Ben Embarek, who led the team of independent experts in its nearly month-long visit to the Chinese city of Wuhan, where the outbreak first emerged at a seafood market in late 2019, said the team's work had uncovered new information but had not dramatically changed their picture of the outbreak.Also Read | Inside the third front of the farm agitation"The possible path from whatever original animal species all the way through to the Huanan market could have taken a very long and convoluted path involving.