CDC Says One-Third of Americans , Should Be Wearing Masks. CNN reports that the U.S. Centers for Disease Control and Prevention (CDC) is urging local officials to encourage their constituents to mask up. Currently, over 32% of Americans live in regions experiencing medium to high COVID-19 community levels. Per CDC data, 9% of Americans live in areas with high COVID-19 community levels. 23% of citizens are currently living in areas with a medium amount of coronavirus transmission. We urge local leaders to encourage the use of prevention strategies like masking in public indoor settings and increasing access to testing and to treatment. , Dr. Rochelle Walensky, CDC Director, via CNN. In areas where community levels are high, everyone should be using prevention measures and wearing a mask in public indoor settings. , Dr. Rochelle Walensky, CDC Director, via CNN. As of May 18, nearly 4.25% of counties in the United States have soaring COVID-19 community levels. . As we’re currently seeing a steady rise of cases in parts of the country... , Dr. Rochelle Walensky, CDC Director, via CNN. ... we encourage everyone to use the menu of tools we have today to prevent further infection and severe disease, , Dr. Rochelle Walensky, CDC Director, via CNN. ... including wearing a mask, getting tested, accessing treatments early if infected and getting vaccinated or boosted, Dr. Rochelle Walensky, CDC Director, via CNN