Mirroring national trends, the Louisiana Department of Health (LDH) is reporting an increase in whooping cough (pertussis) cases that could result in a record high for 2025. The Department has identified 164 cases in the first four months of 2025. In comparison, Louisiana had a total of 153 cases in 2024.
Whooping cough is a naturally occurring disease in the U.S. and Louisiana with predictable increases in reported cases every few years.