As sixteen college basketball teams and fans prepare for playoff games this weekend, many ask if face masks are needed to be protected from the respiratory virus that causes COVID-19.
While there is much debate and research on the benefits of wearing face masks, a new surveillance system helps people visualize their actual risks.
Thanks to the U.S. Centers for Disease Control and Prevention (CDC), a data-driven way to make informed infection-risk determinations is now open to the public.
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