• A mask expert who's also a parent shares what masks he buys for his son to reduce his risk of COVID-19

    7 days ago - By Business Insider

    Close-up of KF94 mask. unoL/Getty Images
    Aaron Collins goes by the "Mask Nerd" now that his unofficial job is reviewing face masks in his bathroom.
    Collins, an aerosol expert, compiled a list of the best child-sized masks to protect against COVID-19.
    His son's favorite mask is a KF94 made in South Korea, which is effective and comfortable.
    Thousands of parents turn to Aaron Collins for advice on which face masks they should buy for their kids. Since January 2021, Collins has put his background in aerosol science to use in testing how well various face masks block coronavirus-sized...
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