COVID Transmission 1,000 Times More Likely from Air vs. Surfaces

COVID Transmission

COVID Transmission

If you’re still wiping down groceries, doorknobs and light switches in an attempt to thwart COVID-19, maybe you can relax a little: You’re 1,000 times more likely to get COVID from the air you breathe than from surfaces you touch, a new study suggests.

University of Michigan researchers tested air and surface samples around their campus and found odds are greater for inhaling virus particles than picking them up on your fingers.

“In this study, we set out to better understand potential exposures to the SARS-CoV-2 coronavirus — the virus which causes COVID-19 — in several college campus settings,” explains study author Richard Neitzel, a professor of environmental health sciences and global public health.

The settings included offices, classrooms, performance spaces, cafeterias, buses and a gym. However, the samples were taken during the pandemic lockdown, so these were relatively empty spaces.

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