DENVER - Colorado achieved a historic milestone with 75% of Coloradans 18+ (3,381,447 people), and 73% of all eligible Coloradans (3,628,890 people ages 12+) vaccinated with at least one dose of the safe and effective COVID-19 vaccine. For the past week, the state has averaged 4,314 vaccinations per day among those ages 12+. More than 55% of Coloradans ages 12-17 (247,443 people) have received at least one dose, and there are 3,306,227 Coloradans who are fully immunized.