Recent figures from the health department show, for the second school year in a row, more than 90 percent of students in Colorado received their required vaccinations.
The Denver Post reports information reported by schools and child care facilities across the state show nearly 93 percent of students at Colorado schools and more than 95 percent of children in child care or preschool received their immunizations during the 2017-18 school year.
Health officials say immunization and exemption rates for individual vaccines were stable compared with the previous year.
The vaccinations are being administered at levels that officials say is needed to protect children against diseases such as diphtheria, tetanus, hepatitis B and polio.
Prevention of the spread of viruses also is protecting kids who don't get vaccinated.