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U.S. measles cases hit 35-year record with months left in 2026
Public health experts say under-vaccination and fading memory of measles severity are driving the rise, as cases reach levels not seen since 1991.
- On Tuesday, United States measles cases officially surpassed the 2,289 reported in 2025, reaching a 35-year high. Experts describe the surge as a "grim milestone" threatening national outbreak response.
- Public health experts attribute the rapid rise to widespread under-vaccination across age groups. Because measles is highly contagious, one infected person spreads the virus to up to 18 others, complicating containment.
- Data show that only 20 percent of cases occur in children younger than 5 years, while 50 percent involve older children and 20 percent affect adults older than 20 years. This broad age range confirms widespread vulnerability.
- ScienceAlert warns the growing case count increases risks of complications including pneumonia, diarrhea, and encephalitis. Medical research indicates even mild cases trigger "immune amnesia," where children lose defenses against other infections.
- Steier suggests addressing vaccine hesitancy requires nuanced communication from within communities rather than dismissal. Experts argue effective intervention involves addressing specific fears directly to rebuild public confidence in vaccination.
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US measles cases hit 35-year record with months left in 2026
The United States has now reported the most measles cases in any year since 1991, not only surpassing all of last year’s record total, but also reaching the highest level in 35 years, with more than...
·Arlington Heights, United States
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Coverage Details
Total News Sources10
Leaning Left2Leaning Right1Center5Last UpdatedBias Distribution63% Center
Bias Distribution
- 63% of the sources are Center
63% Center
L 25%
C 63%
12%
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