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What’s the latest advice on what type of mask should I wear?

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It depends on your situation, but health officials say It should cover your nose and mouth, and fit snugly so that there are no gaps on the sides of your face.

NS U.S. Centers for Disease Control and Prevention Also calls for wearing a mask with two or more layers and a nose wire to prevent air from escaping from above. It suggests holding your mask on to check if it blocks light, which means the cloth will likely filter out more particles.

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If you want extra protection, experts suggest wearing two masks or pairing them with a mask fitter to make sure they don’t leave any gaps.

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It’s also important to find a mask that’s comfortable so you can actually wear it, says Laura Kwong, assistant professor in environmental health sciences at the University of California, Berkeley.

If supplies are available, people can opt for disposable N95 masks for personal use, the CDC says in updated guidance. Such masks are considered to be the most effective in preventing virus particles. The agency previously said that N95 masks should be reserved for health care workers, but supplies have expanded.

For people who are deaf or hard of hearing, alternative face coverings such as clear masks or cloth masks with clear plastic panels are recommended. Health officials say that priority should be given to transparent medical masks for health workers and needy patients.