Articles on Infection risk

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Some portable air cleaners generate chemicals such as ozone, formaldehyde and hydroxyl radicals to kill microbes. ArtistGNDphotography/E+ via Getty Images

Most air cleaning devices have not been tested on people − and little is known about their potential harms, new study finds

Manufacturers often make bold claims about how well these technologies work. Better testing would allow consumers and institutions to pick the most effective ones.
The behavioral immune system learned a new proxy for disease risk during the COVID pandemic. gilaxi/E+ via Getty Images

Republicans wary of Republicans – how politics became a clue about infection risk during the pandemic

Reactions like disgust are part of the behavioral immune system that helps you avoid disease. Usually conservatives are more fearful of contamination – but something unusual happened during COVID-19.
People shop at the reopening of the Farmer’s Market in Manhattan Beach, California on May 12, 2020. Jay L. Clendenin/Los Angeles Times via Getty Images

How do you stay safe now that states are reopening? An expert explains how to assess risk when reconnecting with friends and family

The US is slowly reopening, but the messages from governments are confusing. An expert offers guidance on many people’s first priority – connecting with loved ones.

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