Colorado plans to get all nursing home residents in the state a third dose of the COVID-19 vaccine in the next three weeks, Gov. Jared Polis announced Tuesday — though federal health officials have yet to give a green light. The governor also urged older Coloradans to get booster shots now by claiming they had an immune system condition that would qualify them under current rules for a third shot. On Friday, a panel of vaccine experts advised the U.S.