As cases rise in Bay Area, when is masking important?

A woman wearing a protective mask is seen in Union Square on March 9, 2020 in New York City.
A woman wearing a protective mask is seen in Union Square on March 9, 2020 in New York City. Photo credit Getty Images

SAN FRANCISCO (KCBS RADIO) – As cases of COVID-19, RSV, and flu rise in the Bay Area, a UC Berkeley professor warns that residents should mask-up in public places to protect the ones they love.

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To answer your questions, KCBS Radio Anchor Eric Thomas is joined by Dr. John Swartzberg, UC Berkeley Clinical Professor Emeritus of Infectious Diseases and Vaccinology, on "Ask An Expert."

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Featured Image Photo Credit: Getty Images