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CDC: How COVID-19 Spreads - Updated Sept. 18, 2020 - PENDING

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  • CDC: How COVID-19 Spreads - Updated Sept. 18, 2020 - PENDING

    Updated Sept. 18, 2020

    COVID-19 most commonly spreads
    • Between people who are in close contact with one another (within about 6 feet).
    • Through respiratory droplets or small particles, such as those in aerosols, produced when an infected person coughs, sneezes, sings, talks, or breathes.
      • These particles can be inhaled into the nose, mouth, airways, and lungs and cause infection. This is thought to be the main way the virus spreads.
    • It is possible that COVID-19 may spread through the droplets and airborne particles that are formed when a person who has COVID-19 coughs, sneezes, sings, talks, or breathes. There is growing evidence that droplets and airborne particles can remain suspended in the air and be breathed in by others, and travel distances beyond 6 feet (for example, during choir practice, in restaurants, or in fitness classes). In general, indoor environments without good ventilation increase this risk.
    COVID-19 spreads very easily from person to person

    How easily a virus spreads from person to person can vary. Airborne viruses, including COVID-19, are among the most contagious and easily spread. Some viruses are highly contagious, like measles, while other viruses do not spread as easily. The virus that causes COVID-19 appears to spread more efficiently than influenza, but not as efficiently as measles, which is highly contagious. In general, the more closely a person with COVID-19 interacts with others and the longer that interaction, the higher the risk of COVID-19 spread.

    Spread between animals and people
    • At this time, the risk of COVID-19 spreading from animals to people is considered to be low. Learn about COVID-19 and pets and other animals.
    • It appears that the virus that causes COVID-19 can spread from people to animals in some situations. CDC is aware of a small number of pets worldwide, including cats and dogs, reported to be infected with the virus that causes COVID-19, mostly after close contact with people with COVID-19. Learn what you should do if you have pets.
    Protect yourself and others

    The best way to prevent illness is to avoid being exposed to this virus. You can take steps to slow the spread.
    Learn more about what you can do to protect yourself and others.

    More Information

    ASL Video Series: How does COVID-19 Spread?

    Top of Page
    Last Updated Sept. 18, 2020

  • #2

    Now posted at the same link as above:

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    • #3


      “I think there’s good enough data to say that aerosol transmission does occur,” Dr. Fauci, the country’s leading infectious disease expert, said in a live Facebook discussion with Gov. Philip D. Murphy of New Jersey. “Aerosol means the droplets don’t drop immediately. They hang around for a period of time.”

      Dr. Fauci’s assessment comes at a time when state and local authorities are trying to find reliable guidance for what mitigation efforts are needed indoors and how indoor spaces should be ventilated.