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Updated: March, 2021

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Improve How Your Mask Protects You


Correct and consistent mask use is a critical step everyone can take to prevent getting and spreading COVID-19. Masks work best when everyone wears them, but not all masks provide the same protection. When choosing a mask, look at how well it fits, how well it filters the air, and how many layers it has.

Two important ways to make sure your mask works the best it can

  • Make your mask fits snugly against your face. Gaps can let air with respiratory droplets leak in and out around the edges of the mask.

  • Pick a mask with layers to keep your respiratory droplets in and others’ out. A mask with layers will stop more respiratory droplets getting inside your mask or escaping from your mask if you are sick.


For more information on science behind improving how your mask protects you, see Improve the Fit and Filtration of Your Mask to Reduce the Spread of COVID-19.

People at Increased Risk

And Other People Who Need to Take Extra Precautions

People at Increased Risk for Severe Illness. Some people are more likely than others to become severely ill.

How To Get

Tested For Current

COVID-19 Infection

You can visit your   state or local external icon health department’s website to look for the latest local information on testing.


If you have symptoms of COVID-19 and want to get tested, call your healthcare provider first.

How To Manage Test Results

If you test positive, know what protective steps to take to prevent others from getting sick.


If you test negative, you probably were not infected at the time your sample was collected. The test result only means that you did not have COVID-19 at the time of testing. Continue to take steps to protect yourself.

Community, Work, and School

Additional Information for Where You Live, Work, Learn, and Play

Three Important Ways to Slow the Spread

Three Important Ways to Slow the Spread

  • Wear a mask to protect yourself and others and stop the spread of COVID-19.

  • Stay at least 6 feet (about 2 arm lengths) from others who don’t live with you.

  • Avoid crowds. The more people you are in contact with, the more likely you are to be exposed to COVID-19.

Find cases in your community