6 feet likely not far enough to stop COVID-19 transmission: experts

Posted 41 days ago


When inside, it might be a good idea to take a few more steps back.

Experts on Tuesday said they believe the six-feet of distance recommended by the World Health Organization (WHO) may not be enough to limit the transmission of COVID-19.

In a perspective article published in the journal Science, three experts wrote that aerosol particles can accumulate and remain infectious in indoor air for hours, while being easily inhaled deep into the lungs.

"Increasing evidence for SARS-CoV-2 suggests the 6 ft WHO recommendation is likely not enough under many indoor conditions where aerosols can remain airborne for hours, accumulate over time, and follow air flows over distances further than 6 ft," they said.

Chia Wang of National Sun Yat-sen University in Taiwan, as well as Kimberly Prather and Dr. Robert Schooley of the University of California, San Diego, said that a large proportion of the COVID-19 spread appears to be occurring through the airborne transmission of aerosols. They added the transmission was produced by asymptomatic individuals during breathing and speaking.

On Tuesday, the experts said that for society to resume as normal, measures must be implemented to reduce aerosol transmission, which includes the universal wearing of masks -- in addition to widespread testing. T... (Read more)

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