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Posted on: July 17, 2020

Help Slow the Spread of COVID-19

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Evidence for Effectiveness of Cloth Face Coverings

woman wearing face covering, with a detail showing how the cloth barrier helps to contain respiratory droplets that she exhales

Cloth face coverings are recommended as a simple barrier to help prevent respiratory droplets from traveling into the air and onto other people when the person wearing the cloth face covering coughs, sneezes, talks, or raises their voice. This is called source control. This recommendation is based on what we know about the role respiratory droplets play in the spread of the virus that causes COVID-19, paired with emerging evidence from clinical and laboratory studies that shows cloth face coverings reduce the spray of droplets when worn over the nose and mouth. COVID-19 spreads mainly among people who are in close contact with one another (within about 6 feet), so the use of cloth face coverings is particularly important in settings where people are close to each other or where social distancing is difficult to maintain.

Who Should Wear A Cloth Face Covering?

 General public


  • CDC recommends all people 2 years of age and older wear a cloth face covering in public settings and when around people who don’t live in your household, especially when other social distancing measures are difficult to maintain.
  • COVID-19 can be spread by people who do not have symptoms and do not know that they are infected. That’s why it’s important for everyone to wear cloth face coverings in public settings and practice social distancing (staying at least 6 feet away from other people).
  • While cloth face coverings are strongly encouraged to reduce the spread of COVID-19, CDC recognizes there are specific instances when wearing a cloth face covering may not be feasible. In these instances, adaptations and alternatives should be considered whenever possible (see below for examples).

 People who know or think they might have COVID-19

  • If you are sick with COVID-19 or think you might have COVID-19, do not visit public areas. Stay home except to get medical care. As much as possible stay in a specific room and away from other people and pets in your home. If you need to be around other people or animals, wear a cloth face covering (including in your home).
  • The cloth face covering helps prevent a person who is sick from spreading the virus to others. It helps keep respiratory droplets contained and from reaching other people.

Caregivers of people with COVID-19

Who Should Not Wear a Cloth Face Covering

Cloth face coverings should not be worn by:

  • Children younger than 2 years old
  • Anyone who has trouble breathing
  • Anyone who is unconscious, incapacitated, or otherwise unable to remove the cloth face covering without assistance.

Full Article from the CDC.gov website . . .
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