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Sarah Ruth Bates

Young woman and dog wearing read mask during COVID-19 pandemic (Getty Images)

How to tell if your non–medical grade “fashion mask” is really working

Sarah Ruth Bates
Sandra Rodriguez, 63, receives a COVID-19 vaccination from Yaquelin De La Cruz at the Research Centers of America (RCA) in Hollywood, Florida, on August 13, 2020. - So-called phase three vaccine clinical trials, in which thousands of people take part in the final stages, are gaining traction. (CHANDAN KHANNA/AFP via Getty Images)

Volunteers wanted for vaccine study, with one catch: You get intentionally exposed to coronavirus

Sarah Ruth Bates