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A total of 239 virus experts from 32 different countries have joined together to counter the World Health Organization in one of the postulates on SARS-CoV-2. According to these scientists, there is evidence that the new coronavirus can remain in the air in closed spaces, with the ability to infect people inside.

Experts have sent a joint letter to the WHO demanding that the international body review its recommendations on how to avoid transmission of the pathogen, as reported by The New York Times .

The WHO maintains that the main route of transmission of the new coronavirus is from person to person , through respiratory drops that a person expels when coughing, sneezing or even talking. In its latest update on the virus, the WHO states that transmission of the virus through the air - through aerosols - is only possible after medical procedures that produce the expulsion of tiny drops with viral particles, such as intubations.

However, these 239 experts assure that airborne transmission can be an important factor in the pandemic, especially in spaces with high crowds and poor ventilation. In their letter they have summarized the evidence showing that the smallest particles can infect people, and are asking the agency to review their recommendations. The researchers plan to publish their letter in a scientific journal next week .

"We are aware of the article and are reviewing its content with our technical experts," WHO spokesman Tarik Jasarevic told Reuters.

So far, the WHO has noted that there is no convincing evidence of airborne transmission of the pathogen.

However, some experts point out that the body should adopt a precautionary principle and, even in the absence of clear evidence, assume the worst case scenario and recommend the best possible protection .

"There is no indisputable evidence that SARS-CoV-2 can be transmitted significantly through aerosols, but there is also no absolute evidence that this is not the case," said the scientist at the New York Times. Oxford University Trish Greenhalgh.

Even in the event that this transmission route is in the minority - something that has already been pointed out with transmission through contaminated surfaces - the signatories of the letter point out that it should be taken into account, especially in certain contexts, such as healthcare facilities.

According to the criteria of The Trust Project

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