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Do Masks Provide a Just-Right Dose of Coronavirus?

Infectious diseases expert Monica Gandhi, MD, MPH, explores her hypothesis that one of the benefits of masks may be that they provide exposure to enough coronavirus to build immunity but not enough to cause illness.

Illustration of group of people wearing face masks.

Why COVID-19 Means You Need a Flu Shot This Year

Health experts are warning that the addition of another respiratory illness on top of the ongoing COVID-19 pandemic could overburden the health care system, strain testing capacity, and increase the risk of catching both diseases at once.

mother looks at thermometer with sick daughter