Jun. 19—OLYMPIA — Washington state saw a rise in whooping cough cases in 2024, with 2,261 confirmed and probable cases reported in preliminary figures. This marks an increase from 87 cases ...

Jun. 19—OLYMPIA — Washington state saw a rise in whooping cough cases in 2024, with 2,261 confirmed and probable cases reported in preliminary figures.

The state Department of Health in a Friday statement said the rise in cases last year was "staggering" and coincides with a drop in whooping cough vaccination rates among young children. Similar ...

According to the state’s recent annual summary on whooping cough, or pertussis, there were 2,261 confirmed and probable cases in Washington in 2024. There were 87 cases in 2023.

Washington’s whooping cough cases The DOH Annual Pertussis Update shows confirmed and probable whooping cough cases reached 2,261 in 2024, a 25-fold increase from 87 cases recorded in 2023.

According to the Washington Department of Health, 2024 saw 2,261 confirmed whooping cough cases. That's 25x the 87 reported cases in 2023. So far in 2025, 1,314 cases have been reported.

As of May 31, Washington has reported 1,314 whooping cough cases in 2025, the DOH noted. Whooping cough is a bacterial disease that can cause cold-like symptoms with severe coughing spells.

The DOH Annual Pertussis Update shows confirmed and probable whooping cough cases reached 2,261 in 2024, a 25-fold increase from 87 cases recorded in 2023. “Additionally, as of May 31, there ...

The state Department of Health in a Friday statement said the rise in cases last year was “staggering” and coincides with a drop in whooping cough vaccination rates among young children.

Through April 26, DOH had recorded 1,028 cases of whooping cough in Washington this year, over five times the state’s case count at the same point last year.

WA whooping cough surge in 2024 In 2024, Washington had 26.06 cases of pertussis for every 100,000 people, according to the Centers for Disease Control and Prevention, the sixth-highest rate of any ...

You’d have to go back to 1950 to find a year when Washington saw over 2,000 whooping cough cases, and to 1962 to find a year the state broke the 20 cases per 100,000 residents threshold.