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Two meters, that’s six and a half feet and nearly 79 inches for the US system. A measure that health authorities believe is necessary to prevent an infected person from spreading the Sars-CoV-2 virus through aerosol, while speaking or breathing. Variable diameter droplets, smaller than 5 µm (one micrometer equals one millionth of a meter), which can ‘float’ in the air long enough to be inhaled from a distance.
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