WHO Report on Covid-19 Origins is Out - But More Data is Needed

The report from a team of international scientists assembled by the World Health Organization (WHO) to examine how Covid-19 first spread to humans has been published. WHO Director-General Tedros Adhanom Ghebreyesus said the report was a welcome start, but far from conclusive. "We have not yet found the source of the virus, and we must continue to follow the science and leave no stone unturned as we do," he told a Member State briefing in Geneva.

In January 2021, a 34-member team visited the Chinese city of Wuhan where the first cases of the then new coronavirus came to light at the end of 2019. The health agency chief said that although much data had been provided, to fully understand the earliest cases, they would need access from Chinese authorities "to data including biological samples from at least September" 2019.Tedros welcomed the recommendations for further studies to understand the earliest human cases and clusters, and to trace animals sold at markets in and around Wuhan.



This transmission electron microscope image shows SARS-CoV-2 - also known as 2019-nCoV, the virus that causes Covid-19 - isolated from a patient in the U.S. Virus particles are shown emerging from the surface of cells cultured in the lab. The spikes on the outer edge of the virus particles give coronaviruses their name, crown-like.

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