Texas is seeing the highest number of whooping cough cases in more than a decade.

More than 3,500 cases have been reported across the state through October this year, according to the Texas Department of State Health Services, the most Texas has seen in 11 years.

According to Metro Health, the cases across San Antonio are on the rise as well. Bexar County had 72 cases reported in 2024, and there have been 197 cases reported so far in 2025.

According to infectious disease specialist Dr. Jason Bowling with University Health and UT Health San Antonio, 44 cases have been recorded with University Health this year. Last year there were 17 cases, not including November and December cases, which is usually the busiest time for respiratory illnesses.

“So about 2.5 times what we saw last year,”

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