Chelan-Douglas Health District (CDHD) reported 10 pertussis (whooping cough) cases in June and July 2026, exceeding typical monthly numbers. Cases were diagnosed across multiple locations without clear connections, suggesting broad regional spread.
CDHD emphasizes pertussis spreads easily through coughing and sneezing, with severe risks for infants and pregnant individuals. The health district recommends vaccination, respiratory hygiene practices, and seeking medical care for symptoms or exposure. CDHD is coordinating with schools and healthcare providers to monitor and respond to the outbreak.
CDHD urges residents to update vaccinations and follow respiratory hygiene guidelines to prevent further spread.