WHY ONE SHOULD WEAR MASK TO PREVENT COVID SPREAD?

© Provided by The Statesman Why one should wear mask to prevent Covid spread? Even at two metres distance, it takes less than five minutes for an unvaccinated person standing in the breath of a person with Covid-19 to become infected with almost 100 per cent certainty. But, if both are wearing well-fitting medical masks, the risk drops dramatically, finds a study. if (typeof co...

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