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Toddler boy wearing a mask for prevent flu virus - front view, Circular icon Stock Vector | Adobe Stock
From flu to RSV, masks offer everyday protection from respiratory illnesses < Yale School of Public Health
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Surgical masks as good as respirators for flu and respiratory virus protection: Newsroom - UT Southwestern, Dallas, TX
How effective are face masks against the flu? Will wearing a mask stop me from getting the flu? What can I do to avoid getting sick? - ABC News
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