Record Measles Cases Reported Across the U.S. in 2026, CBS News Tracks

CBS News has been monitoring a historic increase in measles cases throughout the United States during 2026. The data show a record number of reported infections and multiple outbreaks in various regions. According to the reporting, the majority of those diagnosed have not received measles vaccination, highlighting gaps in immunization coverage. The trend underscores ongoing public‑health concerns about vaccine hesitancy and the need for renewed outreach to improve vaccination rates. While specific case counts are not provided in the source, the emphasis is on the unprecedented scale of the outbreak and its concentration among unvaccinated populations.