Multiple Measles Transmission Events Associated with a Single Traveler Arriving in the United States, May 2025

Key Points

• The research aims to understand how a single traveler contributed to multiple measles transmission events in the U.S.
• Analysis of transmission events associated with an international traveler.
• Review of vaccination recommendations and health guidelines for travelers.
• Assessment of symptoms related to measles in travelers.
• Identified several transmission events linked to the traveler.
• Noted the importance of vaccination prior to international travel.
• Highlighted the need for travelers to avoid travel while symptomatic.