Searching Stanched Covid origins, Scientists say

by Victoria Gillscience correspondent, BBC News puplished8 agosharecloseshare pagecopy Linkabout SharingRelated Topics Image SourcereutesImage delays CaptionFurther could perform crucial studies" Biologically impossible ", say reSearchers

"The opportunity window" To carry out crucial studies on the start of the Covid-19 pandemic is closing, high-level Scientists have said.

A team designated by the World Health Organization to find the cause of the outbreak They say that the process has stagnated.

and more delays could perform crucial studies 'biologically impossible'.

In an article published in the scientific journal Nature, which call political and scientific leaders to accelerate those studies "while there is still time".

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    Dutch virologist Professor Marion Kooopmans, a member of the WHO team, the program of the BBC Radio 4 the risk of pandemics was increasing.

    "Due to the way the world is changing - increased population, overcrowding and greater interaction between human beings and animals, we have Learn where things go wrong and how you can prevent it from, "said

    the WHO team visited Wuhan in January and published a report in March of Recommend:

  • Search blood banks in China and other countries in Search of antibodies against the virus in the blood donated in the months that preceded the outbreak of December 2019
  • Take samples of wild farm animals like the mink and the raccoon dog that could be the "intermediary guest" that allowed the virus to jump species image Sourcescience photo Digital CaptionSimilar to the Ebola outbreak, of the Coronavirus '' It is believed to have been a disease transmitted by wild bats

    However, since farm animals have a limited helf life and blood banks to store donations a fixed period, reSearchers are concerned that valuable biological information has already been lost.

    The politically controversial issue of whether the virus may have escaped from a laboratory in China had also made some of the most difficult jobs, Professor Kooopmans said.

    All the lines of reSearch were relevant, he said, "but when the accusations are mixed with scientific issues, things become very difficult." <= p class "eq5iqo00 ssrcss-1q0x1qg-paragraph"> In your report, however, the team concluded while it was impossible to determine how the virus had infected the first human beings, "all available evidence", He suggested that he had a natural origin of the animals and was not "a manipulated or built virus".

    Unleashed controversy

    The relative closest to Sars-Cu- 2, Prof Koopmans said , it was a virus found in wild bats.

    but there was a significant "time space" in the evolution of that virus in which infected human beings that could be explained solely by taking samples from the Animals that may have provided an "intermediary guest".

    The report, however, unleashed controversial that now threatens to overshadow science.

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