With new COVID variants emerging, do we need to double mask? A CNY medical expert explains - CNYcentral.com

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1. With new COVID variants emerging, do we need to double mask? A CNY medical expert explains  CNYcentral.com
2. Are two face masks better than one for stopping COVID-19?  CBS News
3. Where to buy N95, KN95 face masks as COVID strains continue to mutate  nj.com
4. Opinion | It’s Been 10 Months, and I Still Don’t Know When to Replace My Mask!  The New York Times
5. Why Double Masking Is More Protective Against COVID-19 — and How to Do It Effectively  POPSUGAR
6. View Full Coverage on Google News

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January 30, 2021 at 05:26AM
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With new COVID variants emerging, do we need to double mask? A CNY medical expert explains - CNYcentral.com
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