Surge in Whooping Cough Cases in Washington State Amid Declining Vaccination Rates
Washington State is experiencing a sharp rise in whooping cough cases, driven by declining vaccination rates, with severe health risks especially for infants. Learn more about the outbreak and the importance of immunization.
Washington state has experienced a dramatic increase in whooping cough (pertussis) cases over the past year, with reported cases rising by a factor of 25 compared to the previous year. According to the Washington State Department of Health, there were 2,261 confirmed or probable cases in 2024, a significant jump from 87 cases in 2023. The first five months of this year alone saw 1,314 cases, which is more than four times the number recorded during the same period in 2024. Notably, nearly 90 infants under the age of one have been affected, highlighting the disease's danger to the most vulnerable.
This surge coincides with a decline in vaccination rates among young children, which dropped from 73% in 2019 to approximately 65% in 2023. Experts warn that this decrease in immunization is fueling the spread of the highly contagious disease across communities and leading to severe health complications, including pneumonia, seizures, and in some cases, death. Over the past year, at least 10 deaths related to pertussis have been reported nationwide, including a tragic case involving a child in Spokane.
Health officials emphasize the importance of timely vaccination to prevent further outbreaks. Pertussis is caused by bacteria and begins with cold-like symptoms, but can escalate into severe coughing fits that can impair breathing, especially dangerous for infants. The disease is typically treated with antibiotics, and early detection and treatment are vital to reducing severity and preventing transmission.
Medical professionals advise individuals, particularly those in contact with infants, pregnant women, and people with weakened immune systems or chronic respiratory conditions, to stay up to date with their pertussis vaccinations. Protecting vulnerable populations through immunization remains a crucial strategy in controlling the spread of this preventable disease. source: https://medicalxpress.com/news/2025-06-washington-state-whooping-cases-soar.html
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