Essential workers, people with high-risk conditions and anyone over 50 will be able to receive the COVID-19 vaccine in Colorado starting Friday, while all residents are expected to be eligible by next month.

At a press conference last week, Gov. Jared Polis said current supply estimates from the federal government indicate that all Coloradans will be eligible to receive the vaccine by mid-April.

Phase 1B.4, which includes essential frontline workers in food, transportation, manufacturing and other...