Measles exposure warnings issued in Tennessee, Wyoming, and Philadelphia within days

Measles exposure alerts have been issued across multiple U.S. states in early 2026, affecting an airport, a national park, and a cat cafe.

A cat cafe in Murfreesboro, Tennessee, a terminal at Philadelphia International Airport, and Grand Teton National Park in Wyoming have all issued measles exposure warnings in close succession — a sign of the disease's continued spread across the United States in early 2026. Tennessee confirmed its first two measles cases of the year, with at least one infected individual visiting a Murfreesboro cat cafe, prompting the business to alert guests who may have been present during the exposure window. Health officials issued warnings advising patrons to monitor for symptoms. In Wyoming, Teton County confirmed a second measles case, with park authorities warning that tourists visiting Grand Teton National Park may have been exposed. Philadelphia health officials separately issued an alert for a potential exposure at Philadelphia International Airport, though details on case count there were limited in initial reports. Measles is highly contagious — one infected person can spread the virus to up to 90% of unimmunized people they encounter — and symptoms typically appear 7 to 14 days after exposure.

Why it matters

Simultaneous exposure alerts in multiple states, including a major international airport and a high-traffic national park, raise the risk of broader community spread among unvaccinated individuals. Measles was declared eliminated in the U.S. in 2000, and recurring cases signal ongoing vulnerability in under-vaccinated populations.

What's next

Health officials are asking anyone who visited the flagged locations during the exposure windows to check their vaccination status and watch for symptoms including fever, rash, and cough.

Key facts

• Tennessee confirmed its first two measles cases of 2026, both in the Murfreesboro area
• A Murfreesboro cat cafe warned guests after an infected person visited the business
• Teton County, Wyoming confirmed a second measles case linked to Grand Teton National Park exposure
• Philadelphia International Airport was identified as a potential measles exposure site
• Measles can infect up to 90% of unvaccinated people exposed to an infected individual
• Measles was declared eliminated in the United States in 2000

Bias & framing notes

Sources are largely consistent in confirming exposure events but vary in detail — local Tennessee outlets provided the most specifics on case count and venue, while the Grand Teton and Philadelphia reports offered limited corroborating detail. No source conflicts on core facts, but the Philadelphia exposure lacked case-count confirmation in initial reporting.

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