You see according to the a study by stanford, "We’ve learned that as many as 40% of people infected with the virus that causes COVID-19 may have no symptoms. But when they talk, cough or sneeze, they can still spread the virus to others in the form of respiratory droplets expelled into the air. Those droplets evaporate into fine particles that may linger. The mask traps these larger droplets before they can evaporate. So, wearing a mask regularly can prevent spreading at the source even when we don’t know we are sick. But masks are just one important way to prevent this disease from spreading. Washing your hands regularly and thoroughly and keeping at least 6 feet apart from one another are still vitally important.
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