CDC Reverses, Indoor Mask Guidance, In Some Parts of the US.<br />On July 27, the US Centers for Disease Control and Prevention updated its mask guidance in order to prevent further spread of the Delta variant.<br />On July 27, the US Centers for Disease Control and Prevention updated its mask guidance in order to prevent further spread of the Delta variant.<br />The CDC now recommends that fully vaccinated people wear masks indoors while in areas with "substantial" and "high" transmission of Covid-19.<br />CNN reports that this now includes nearly two-thirds of all counties in the United States.<br />The updated CDC guidance also recommends that everyone in schools wear masks.<br />CDC recommends that everyone in K through 12 schools wear a mask indoors, including teachers, staff, students and visitors, regardless of vaccination status, Dr. Rochelle Walensky, CDC Director, via CNN.<br />CDC recommends that everyone in K through 12 schools wear a mask indoors, including teachers, staff, students and visitors, regardless of vaccination status, Dr. Rochelle Walensky, CDC Director, via CNN.<br />CDC guidance for people still <br />unvaccinated remains unchanged.<br />According to the CDC, the Delta variant now represents at least 83% of cases.<br />According to the CDC, the Delta variant now represents at least 83% of cases.<br />As of July 27, the CDC says that 46% of US counties are listed as having high transmission, while an additional 17% have "substantial" transmission.<br />In recent days I have seen <br />new scientific data from <br />recent outbreak investigations <br />showing that the Delta variant <br />behaves uniquely differently <br />from past strains of the virus <br />that cause Covid-19, Dr. Rochelle Walensky, CDC Director, via CNN.<br />This new science is worrisome <br />and unfortunately warrants <br />an update to our <br />recommendations. <br />This is not a decision <br />that we or CDC has made lightly, Dr. Rochelle Walensky, CDC Director, via CNN.<br />The CDC's updated guidance are only the health agency's recommendations, and it remains up to state and local governments to enforce.
