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Posts tagged surgical masks

September 16, 2015



Unmasking Surgical Masks     

Surgical masks are a good way to keep from spreading your germs to others, but don't prevent their germs from reaching you.

November 19, 2003


Unmasking Surgical Masks

During the SARS outbreak, we saw many people wearing surgical masks. The purpose of these masks might surprise you. Learn more on this Moment of Science.

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