Premature to rule out virus lab leak: WHO

·3-min read

The head of the World Health Organisation says it is premature to rule out a potential link between the COVID-19 pandemic and a laboratory leak, adding he is asking China to be more transparent as scientists search for the origins of the coronavirus.

In a rare departure from his usual deference to powerful member countries, WHO Director-General Tedros Adhanom Ghebreyesus said getting access to raw data had been a challenge for the international team that traveled to China earlier this year to investigate the source of COVID-19.

The first human cases were identified in the Chinese city of Wuhan.

Tedros told reporters that the UN health agency based in Geneva is "asking actually China to be transparent, open and cooperate, especially on the information, raw data that we asked for at the early days of the pandemic".

He said there had been a "premature push" to rule out the theory that the virus might have escaped from a Chinese government lab in Wuhan - undermining the WHO's own March report, which concluded that a laboratory leak was "extremely unlikely".

"I was a lab technician myself, I'm an immunologist, and I have worked in the lab, and lab accidents happen. It's common," Tedros said.

In recent months, the idea that the pandemic started somehow in a laboratory - and perhaps involved an engineered virus - has gained traction, especially with US President Joe Biden ordering a review of intelligence to assess the possibility in May.

China's government has struck back aggressively, arguing that attempts to link the origins of COVID-19 to a lab were politically motivated and suggesting that the virus might have started abroad.

At WHO's annual meeting of health ministers in the northern spring, China said that the future search for COVID-19's origins should continue - in other countries.

Most scientists suspect that the coronavirus originated in bats but the exact route by which it first jumped into people - via an intermediary animal or in some other way - has not yet been determined.

It typically takes decades to narrow down the natural source of an animal virus like Ebola or SARS.

Tedros said that "checking what happened, especially in our labs, is important" to nailing down if the pandemic had any laboratory links.

"We need information, direct information on what the situation of this lab was before and at the start of the pandemic," the WHO chief said, adding that China's cooperation was critical.

"If we get full information, we can exclude (the lab connection)."

Throughout the pandemic, Tedros has repeatedly praised China for its speed and transparency despite senior WHO officials internally griping about obfuscation from their Chinese counterparts.

"We ask China to be transparent and open and to cooperate," Tedros said on Thursday.

"We owe it to the millions who suffered and the millions who died to know what happened," he said.

Numerous public health experts have also called for an independent examination of COVID-19's origins, arguing the WHO does not have the political clout to conduct such a forensic analysis and that the UN agency has failed after more than a year to extract critical details from China.

Any WHO-led mission to China also requires government approval for all experts who travel to the country as well as permission to visit field sites and final approval on any trip report.

WHO emergencies chief Mike Ryan has previously said the agency works by consensus and cannot compel countries to co-operate.

Tedros' appeal for transparency was echoed by German Health Minister Jens Spahn, who urged Chinese officials to allow the investigation into the origins of the virus to proceed.

"We do appreciate the co-operation of the Chinese government so far for the first mission," Spahn said.

"But that's not yet enough."

with Reuters

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