What to do: The CDC recommends knotting, folding then tucking the ear loops of 3-ply masks for a better fit — making the edges of the mask fit more tightly to your face. First, fold the mask in half ...

The fit of your face mask has a lot to do with how effective it is — the tighter the better for filtering your breath and keeping others safe from viral particles, including those of COVID-19. That ...

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Knowing which mask to pick and making sure it’s not a fake requires the sleuthing skills of a forensic investigator. Our guide can help. Credit...Charlie Rubin for The New York Times Supported by By ...