The gain isn’t huge, but it’s a notable improvement – similar to what people experience when they start exercising more.
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All up, your risk of catching COVID on a flight is very low. But there are things you can do to lower that risk even further.
Experiments show portable air filters can clear the coronavirus from makeshift wards – and offer more evidence that the virus spreads through airborne transmission.
Air-ventilation upgrades have been badly needed in U.S. classrooms since long before the pandemic. Low-tech filtration systems that cost about the same as a textbook per student can make a big difference.
Being indoors with other people is a recipe for spreading the coronavirus. But removing airborne particles through proper ventilation and air filtration can reduce some of that risk.
Good ventilation can reduce the risk of catching coronavirus. An environmental engineer explains how to know if enough outside air is getting into a room and what to do if ventilation is bad.
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Professor of Mechanical Engineering, University of Colorado Boulder
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S. J. Archuleta Professor of Environmental Engineering, University of Colorado Boulder
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