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Unvaccinated Traveler With Measles Rode Amtrak Through Six California Counties and Stopped in Denver

Health officials have posted the traveler's itinerary and are notifying passengers while urging quick post‑exposure vaccination or immune globulin.

Possible Measles Exposure Reported at Philadelphia International Airport

Probable Measles Exposure at Children’s Hospital of Philadelphia

Measles Resurgence Escalates With Hospital Exposures and Growing Local Clusters

Measles Outbreaks Expand in Kentucky and Southwestern Wisconsin

Measles Case From LAX Gate 155 Prompts Exposure Alerts in Los Angeles County

Los Angeles Confirms Sixth Measles Case Tied to Traveler Who Passed Through LAX

Five Americans Leave Nebraska Facility to Complete Hantavirus Quarantine

Wisconsin Confirms Five Mpox Cases as U.S. Sees Uptick

L.A. County Confirms Fifth Measles Case Linked to LAX Arrival

Travel-Linked Measles Cases Prompt Exposure Alerts in Maryland and Rhode Island

Maricopa County Confirms Measles Case, Identifies Three Queen Creek Exposure Sites

Cook County Warns of Measles Exposures at O'Hare and North Suburban Sites

New Measles Alerts at Disneyland and D.C. March for Life as California Confirms More Cases

Measles Resurgence Triggers New Airport Alerts as South Carolina, Utah Case Counts Climb

Measles Outbreaks Worsen in South Carolina and Along the Arizona–Utah Border as Michigan Flags Hospital Exposure

Norovirus Activity Climbs Early Across U.S. as UK Reports Smaller Rise

New York Flu Surge Accelerates as H3N2 Variant Gains Ground

U.S. Whooping Cough Cases Top 25,000 in 2025 as Kentucky Confirms Third Infant Death

Ethiopia Confirms First Marburg Outbreak With Nine Cases in Omo