CO Dept of Public Health News

Two Additional Measles Cases Identified in Weld County With El Paso County Exposure Site

CDPHE and Weld County Public Health identified two additional measles cases in two unvaccinated adult Weld County residents. Both individuals are household contacts of a previously-confirmed case not linked to the Broomfield schools outbreak. A Chick-fil-A location at Citadel Crossing Shopping Center in Colorado Springs was identified as a potential exposure site on Wednesday, March 25 from 5 p.m. to 8 p.m. Officials advise monitoring for symptoms for 21 days after exposure and recommend MMR vaccination within 72 hours of exposure or immunoglobulin within six days.

Measles Case Confirmed in Broomfield, CO, Exposure Locations Identified

Colorado public health officials have confirmed a measles case in a Broomfield County resident who had not received the MMR vaccine and has no known connection to recent exposures or out-of-state travel. The lack of a clear infection source suggests unidentified measles cases may be occurring in or traveling through the area. Seven exposure locations have been identified across Broomfield, Westminster, Lafayette, and Louisville with dates ranging from February 19-25, 2026. Individuals who were at listed locations during specified times should monitor for symptoms for 21 days after exposure and contact healthcare providers before visiting if symptoms develop.

Measles Exposure Alert at Denver Airport and Littleton Church

The Colorado Department of Public Health and Environment, along with Arapahoe County Public Health, Denver Department of Public Health and Environment, and Denver International Airport, issued a public alert on February 24, 2026, notifying Colorado residents of potential measles exposures from an out-of-state traveler with a confirmed case. The infected individual arrived on Frontier flight 1279 from Miami at Gate A83 at 9:15 a.m. on Saturday, February 21, attended St. Mary's Catholic Church in Littleton on Sunday, February 22, and departed on Frontier flight 1280 from Gate A76 at 11:29 p.m. that evening. Free MMR vaccination clinics are being offered to exposed individuals at Arapahoe County Public Health (4857 S. Broadway, Englewood) and St. Mary's Catholic Church on Wednesday, February 25, 2026.

CDPHE to Send RSV Immunization Reminder Texts and Emails to Families

The Colorado Department of Public Health and Environment will send text messages and email notifications to families of nearly 24,000 children under 8 months old whose records indicate they may be due for an RSV immunization. Messages will be sent from number 45778 and email address cdphe.vaccine.registry@state.co.us, directing families to schedule appointments with vaccine providers. The notification cites an 18% increase in RSV-related hospitalizations in Colorado and notes that RSV is the leading cause of hospital visits for infants.

Avian Flu Response in Weld County Concluded

Colorado state health and agriculture officials have concluded their response to an avian flu detection at a commercial egg layer operation in Weld County. No human cases were identified, and precautionary health monitoring of workers yielded negative results. The incident response has been demobilized.