Pennsylvania, one of the states hit hardest by the illness last year, has recorded 207 whooping cough cases in 2025.

While pertussis — known as whooping cough — numbers have been spiking nationally, the South Dakota Department of Health ...

Whooping cough cases are more than double those seen at the same time last year, with 8,064 cases recorded nationwide so far ...

This 2016 illustration provided by the Centers for Disease Control and Prevention, based on electron microscope imagery, ...

Pennsylvania, one of the states hit hardest by the illness last year, has recorded 207 whooping cough cases in 2025.

According to the Wake County Public School System, Leesville Road High School sent a letter to parents stating the county had confirmed a case of pertussis, known as whooping cough, among one of its ...

According to reports by the Michigan Department of Health and Human Services (MDHHS), pertussis (whooping cough) cases in 2024 increased by nearly 2,000%. As of Friday, 497 cases have been confirmed ...