It's important to mask up in the face of the highly transmissible Omicron variant. Cloth masks don't offer adequate protection, so opt for an approved medical-grade mask instead. Beware of counterfeit ...

Single-layer cloth masks may not provide adequate protection against the very infectious omicron variant of COVID-19, according to a recent Wall Street Journal report. Many infectious disease experts ...

Your cloth face mask isn't protecting you against the coronavirus variant omicron, health officials say. As common as cloth face masks have become, health experts say, they do little to prevent tiny ...

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