All Coloradans will have access to coronavirus vaccine by mid-April, governor says The next vaccine distribution phase, Phase 1b.4, will begin on March 19 includes anyone 50 and up, restaurant workers and many other essential workers The needle with the vaccine enters into ER nurse Dave Higgins' arm at Memorial Regional Health. (Max O’Neill / Craig Press) Gov. Jared Polis said Friday that Colorado will move into its next phase of coronavirus vaccine distribution on March 19 — two days ahead of schedule — and that he expects the general public will have access to inoculations by mid-Apri...