Fact Check: Does Double Mask Provide Extra Protection Against COVID-19?
As the second wave of COVID-19 wreaks havoc in India, many people have started using two masks when they are ...
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As the second wave of COVID-19 wreaks havoc in India, many people have started using two masks when they are ...
New Delhi: Wearing a cloth mask over a disposable surgical mask is likely to significantly reduce a person’s exposure to ...
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