WHO Experts in China to Begin Investigation of Coronavirus Origins

WHO chief pleads for solidarity after Trump pulls U.S. from health body

WHO chief pleads for solidarity after Trump pulls U.S. from health body UPI9 Jul 2020

"Based on the information received so far and on our experience with other coronaviruses, COVID-19 appears to mostly spread through respiratory droplets (for instance when a sick person coughs) and close contact".

World Health Organization had said that the airborne spread is the only concern in terms of certain medical procedures conducted by healthcare workers in hospital settings that create aerosols.

During the World Health Organization " s daily briefing on Tuesday, the organisation " s technical lead on the COVID-19 pandemic Maria Van Kerkhove said: "We have been talking about the possibility of airborne transmission and aerosol transmission as one of the modes of transmission of COVID-19".

World Health Organization has now said that an airborne spread especially in indoor, crowded, and spaces lacking ventilation for fresh air over a prolonged period of time with infected persons can not be ruled out. She said it has always been assumed the virus originated in a bat, but they would like to know if it went through another, intermediary species.

For years, scientists met much the same resistance concerning influenza, because of the difficulty of capturing samples of the virus in the air, Milton said. "It is becoming clear that the pandemic is driven by super-spreading events, and that the best explanation for many of those events is aerosol transmission", said Jose Jimenez, a chemist at the University of Colorado who signed the letter, which was published on Monday in the journal Clinical Infectious Diseases.

It also provided more details on how the virus can be transmitted through aerosols in the air in certain settings.

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The WHO has been criticized over its handling of the outbreak, that it reacted too slowly and failed to call for countries to enact measures, and more recently by more than 230 scientists urging it to recognize the potential for airborne spread of the virus.

"However, the evidence needs to be gathered and interpreted, and we continue to support this". For example, people in choir practice, restaurants or fitness classes could be exposed to both aerosol and droplet transmission.

Studies have already found that SARS-CoV-2 can remain viable in aerosols for a period of several hours.

Soumya Swaminathan: This is not a virus that's just floating around in the air and is going to come and infect you - it does require prolonged contact with infected people. "Are we unable to distinguish or identify the common enemy?"

People may need to minimize time indoors with others from outside the household in addition to maintaining a safe distance and wearing cloth face coverings.

"Across all walks of life, we are all being tested to the limit", Tedros said, "from countries where there is exponential growth, to places that are loosening restrictions and now starting to see cases rise".

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