Masks and Omicron Q&A: What kind of mask should you wear and for how long? An expert explains 2022-01-21

Masks and Omicron Q&A: What kind of mask should you wear and for how long? An expert explains

CNN: *What mask would you recommend people wear?*

Wen: In indoor, crowded settings, I highly recommend that people wear an N95, KN95 or KF94 mask. The N95 is the American standard; KN95 is the Chinese standard; KF94 is the Korean standard. They can all be highly effective in terms of how well they protect against Covid-19 transmission. 

https://www.cnn.com/2022/01/20/health/masks-omicron-covid-expert-wellness/index.html

Note: Many public health experts have been urging this change for months, including CNN Medical Analyst Dr. Leana Wen. I spoke with Wen to answer some common questions about masks. 

Wen is an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health. She is also author of "Lifelines: A Doctor's Journey in the Fight for Public Health."