of 25 states. in 43 cases analyzed by the c.d.c., nearly 80% were fully vaccinated. in the northeast, new daily cases are up in 12 states, and hospitalizations are on the rise, too. new york's governor issued a statewide mask mandate for all indoor spaces today unless the business has a vaccination requirement. >> we're entering a time of uncertainty, and weekend either plateau here or cases could escalate beyond control. >> reporter: in connecticut, hospitalizations have soared nearly 82% over the past two weeks. inside norwalk hospital, dr. benjamin greenblatt says covid patients have doubled since thanksgiving. what keeps you up at night? >> a new variant that's much more virulent, and combined with, perhaps, you know, staffing shortages that we're seeing throughout health care, that keeps me up at night.