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  2. Mar 1, 2024 · Generally, masks can help act as a filter to reduce the number of germs you breathe in or out. Their effectiveness can vary against different viruses, for example, based on the size of the virus. When worn by a person who has a virus, masks can reduce the chances they spread it to others. Masks can also protect wearers from inhaling germs; this ...

    • Protect Yourself

      In addition, there are other prevention strategies that you...

  3. Mar 1, 2024 · CDC released today updated recommendations for how people can protect themselves and their communities from respiratory viruses, including COVID-19. The new guidance brings a unified approach to addressing risks from a range of common respiratory viral illnesses, such as COVID-19, flu, and RSV, which can cause significant health impacts and strain on hospitals and health care workers.

  4. Jan 14, 2022 · CDC has updated our consumer webpage describing the types of masks and respirators used to prevent the transmission of SARS-CoV-2. Masking is a critical public health tool to prevent the spread of COVID-19, and it is important to remember that any mask is better than no mask.

  5. Jul 29, 2021 · The latest recommendations say the fully vaccinated should mask up in indoor public places in areas of the country that have substantial or high transmission of the coronavirus. To check whether ...

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