The Centers for Disease Control and Prevention suggested Friday (July 30) that even jurisdictions without substantial or high COVID-19 transmission might consider expanding prevention strategies, including requiring people wear masks in indoor public settings, regardless of vaccination status, in light of newly released data that show 74% of those infected in a recent COVID-19 breakout in Massachusetts were fully vaccinated. The findings led CDC on Tuesday (July 27) to recommend both vaccinated and unvaccinated people wear masks in high-risk public...