On Jan. 3, 2025, the California Department of Public Health (CDPH) reported that Whooping cough (pertussis) activity in California is on the rise, with more than 2,000 reported cases and one infant death between the months of January and October of 2024.

More than 2,000 cases of whooping cough were reported statewide between January and October 2024. 62 of those cases were infants less than four months of age who were hospitalized, including one infant who tragically died. During the same time range in 2023, there were less than 400 whooping cough cases reported in the state.

Everyone who is between 27 and 36 weeks pregnant and family members or caregivers of infants should get the Tdap/DTaP vaccination to help protect infants and young children against serious illness and hospitalization.