Published: August 4, 2020 11:29:01 am
The World Health Organization said Monday an advance team looking into the origins of the Covid-19 outbreak has concluded its mission in China, and the U.N. health agency is preparing the deployment of a larger group of experts to the suspected outbreak zone.
WHO Director-General Tedros Adhanom Ghebreyesus said the â€œinternational teamâ€ will deploy to Wuhan, the city where the pandemic is believed to have erupted late last year. Tedros said â€œterms of referenceâ€ have been drawn up by the WHO and China, but he did not specify.
â€œThe WHO advance team that traveled to China has now concluded their mission to lay the groundwork for further joint efforts to identify the virusâ€™ origins,â€ he told a news conference. â€œEpidemiological studies will begin in Wuhan to identify the potential source of infection of the early cases.â€
He said â€œevidence and hypothesisâ€ generated from the work would â€œlay the ground for further, longer-term studies.â€
The comments came amid an increasingly heavy toll from the pandemic in the United States, Brazil and India, as investigators seek to clarify the origins of the virus and how it may have jumped from animals to humans late last year.
Dr. Michael Ryan, the WHOâ€™s emergencies chief, noted â€œgaps in the epidemiological landscapeâ€ and said it would be assessed what studies to conduct and what data to collect. He said the two-person advance team had not returned from China, and had not been â€œdebriefedâ€ yet.
â€œThe real trick is to go to the human clusters that occurred first and then to work your way back systematically looking for that first signal at which the animal human species barrier was crossed,â€ Ryan said. â€œOnce you understand where that the barrier was breached, then you move into the studies in a more systematic way on the animal side,â€
The WHO press office, contacted by The Associated Press after the news conference, did not provide details of the terms of reference, say whether they would be made public, or indicate how big the international team would be or when it could be sent to China.
It said team members had â€œextensive discussionsâ€ with their Chinese counterparts during the three-week visit, and had discussions by video with virologists and other scientists in Wuhan â€” including the Wuhan Institute of Virology.
U.S. President Donald Trump in April claimed to have seen evidence to support the theory that the lab was the origin of the virus.
On Sunday, Dr. Deborah Birx, the White House top coronavirus adviser, said the virus was â€œextraordinarily widespreadâ€ in the U.S. and infections in urban and rural America marked a â€œnew phaseâ€ for the pandemic in the country.
Ryan, asked to comment about such remarks, said he didnâ€™t believe the intention was â€œto create a sense of a new phase â€¦ but to really remind all states that the disease never went away.â€
â€œItâ€™s not our job to tell the U.S. what it should be doing at sub-national level: The state-based planning and implementation guided by the national scientists seems to be (on) the right path,â€ Ryan added. â€œThe difficulty for us all is: sometimes we know the right path. The difficulty is choosing to walk it.â€
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