Each time a normal cough occurs, about 3,000 small drops of saliva are released. While according to previous studies, the viral load of the nasal and oral mucosa in patients is very high, so if each drop is 1 to 5 micrometers in diameter, a large number of viruses are spread in the air at each cough.
Due to the fact that the intended droplets were small, the larger the droplets, the greater the number of viruses.
Given the risk of a winter flu epidemic that affects many in the world, it is important to pay attention to health prevention tips.
With the outbreak of this disease, many governments advise the people of their country to observe personal hygiene, one of the most important of which is to cover the mouth and nose with a clean handkerchief when sneezing or coughing and throwing away the handkerchief as much as possible. Prevent the virus.