Coronavirus live news: WHO team gives briefing in Wuhan following investigation | World news

Embarek says he recommends analysis of new materials including blood bank samples that could help identify earlier cases in China.

The lab leak hypothesis is an extremely unlikely pathway for Covid-19 and will not require further study as part of their work in studying the origins of the virus, Embarek says.

Embarek says the most likely pathway for Covid-19 was crossover into humans from an intermediary species.

The hypothesis that coronavirus is transmitted through trade in frozen cold chain products is also possible, he adds.

The head of the World Health Organization-led team looking into the origins of Covid-19 said on Tuesday that its investigation had uncovered new information but had not…