Home / Health / Measles Cases Surge: US Reports Nearly 4,600
Measles Cases Surge: US Reports Nearly 4,600
23 Oct
Summary
- US CDC reported 4,588 measles cases as of October 22, 2026.
- Children and teenagers aged 5 to 19 are the most affected group.
- Pennsylvania has reported 1,317 measles cases and 251 hospitalizations.
As of October 22, 2026, the US Centers for Disease Control and Prevention (CDC) has reported a total of 4,588 measles cases nationwide. This figure represents an increase of 178 cases from the previous week, indicating a continued outbreak of the highly contagious disease.
Data from the CDC reveals that 479 measles-related hospitalizations have occurred this year. Children and teenagers between 5 and 19 years old constitute the largest group affected, comprising 1,914 cases, or 42% of the total. Adults aged 20 and older are also significantly impacted, with 1,881 cases, representing 41% of the reported infections.
The state of Pennsylvania has reported a substantial number of cases, totaling 1,317 as of October 21, with 251 individuals requiring hospitalization, according to state health department figures. While the state health department has reported five measles-related deaths in 2026, the CDC has confirmed three measles-associated deaths. In response to the escalating situation, the CDC has pledged additional support to Pennsylvania to aid in the investigation of this ongoing measles outbreak.
