Low risk of Covid infection on planes if masks worn: US military - Manila Bulletin

Researchers using sensors and fluorescent tracers measured the volume of airborne contagious matter emitted by a dummy simulating an infected person breathing normally.

Some 300 test rounds were carried out on the ground and in flight over the course of eight straight days in August in cooperation with United Airlines on Boeing 767 and 777 jetliners. Expanding outward to the 40 seats closest to the infected person, the elimination rate is 99.99 percent, the study said.

However, the tests only looked at a scenario involving a single infected passenger. They also assumed that everyone on the plane wore a mask continuously, and did not address a scenario in which an infected person walks around the cabin of the plane.

I call BS that's true as people still sneeze while wearing it, nurses and Dr's still get it while wearing it. Hazmat suits would be way better

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