COVID-19 Update: Back to Work for Some; Healthcare Worker Assaults; A Tale of Two States by  Greg Portz/MedPage Today Note that some links may require registration or subscription.   The CDC loosens guidelines for essential workers who have been exposed to COVID-19. (AP) Unofficial tally of U.S. cases and deaths as of 8:00 a.m. EDT Thursday: 432,438 and […] Source: VT