As Pandemic Progressed, People's Perceived Risks Went Up

In the first week of the coronavirus pandemic, people living in the United States underestimated their chances of catching the virus, or of getting seriously ill from the virus, according to a recently published Caltech-led study. But as the days progressed, those same people became more worried about their personal risk, and, as a result, began to increase protective behaviors such as washing hands and social distancing.

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