Five things you need to know today, and what to do with kids at home

Good morning, Boston. Here are five things you need to know to start your busy workday, plus what we're supposed to do with our kids at home. Nat'l Guard deployed to hospitals More than 100 Tufts Medical Center employees are out sick with the coronavirus, and the Mass. National Guard has been deployed 55 hospitals statewide to help them grapple with an omicron Covid-19 surge that’s expected to worsen as people develop symptoms following Christmas gatherings. Florist open since WWI shutters…