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Covid can spread through air: CDS

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 Rohit Shishodia
The United States’ Center for Disease Control and Prevention (CDC) has revealed that some Covid infections can be spread by exposure to viruses in small droplets and particles that can linger in the air for minutes to hours.

The CDC added in a guidance note that these viruses may be able to infect people who are further than 6 feet away from the person who is infected or after that person has left the space. This kind of spread is referred to as airborne transmission and is an important way that infections like tuberculosis, measles, and chicken pox are spread, it said.

The center has pointed out that there is evidence that under certain conditions, people with Covid-19 seem to have infected others who were more than 6 feet away. These transmissions occurred within enclosed spaces that had inadequate ventilation. Sometimes the infected person was breathing heavily, for example while singing or exercising.

The CDC has explained that under these circumstances, scientists believe that the amount of infectious smaller droplet and particles produced by the people with Covid-19 became concentrated enough to spread the virus to other people. The people who were infected were in the same space during the same time or shortly after the person with Covid-19 had left.

Available data indicates that it is much more common for the virus that causes Covid-19 to spread through close contact with a person who has Covid-19 than through airborne transmission.


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