10 Pertussis Cases Reported in Wenatchee

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  Chelan-Douglas Health District (CDHD) reported 10 pertussis cases in Wenatchee during June and July 2026“Chelan-Douglas Health District (CDHD) is investigating ten (10) cases of pertussis (whooping cough) that have been reported to us in the months of June and July.”
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  The number of pertussis cases surpassed the usual monthly number“This number exceeds the usual number of monthly cases in the Health District.”
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  The cases were diagnosed by multiple healthcare providers across different locations“The cases have been diagnosed by multiple healthcare partners in multiple locations and the individuals affected do not have clear linkages between one another.”
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  There are no clear connections between affected individuals“The cases have been diagnosed by multiple healthcare partners in multiple locations and the individuals affected do not have clear linkages between one another.”
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  Pertussis spreads easily through respiratory droplets“Person-to-person spread of pertussis occurs through large respiratory droplets, and is most likely among people that live together or people who spend time together indoors.”
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  Pertussis causes cold-like symptoms that develop into severe coughing spells“It begins with cold-like symptoms and develops into a bad cough. Coughing spells can be severe, sometimes ending in gagging or vomiting.”
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  CDHD emphasized that even vaccinated individuals can transmit the illness“People that have been vaccinated for pertussis may have milder symptoms, but it is important to know that they can still get and transmit pertussis.”
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  CDHD recommended routine vaccination as the most effective prevention“The most effective preventive measure against pertussis infection, transmission and complications is routine vaccination.”
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  CDHD is collaborating with schools and healthcare providers to monitor and respond to the outbreak“Chelan-Douglas Health District is working closely with school officials, local healthcare providers and the Washington State Department of Health to rapidly respond, monitor and assist in care of affected individuals and their families.”
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  Residents are advised to cover coughs“Cover your mouth and nose with a tissue when you cough or sneeze.”
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  Residents are advised to wash hands frequently“Wash your hands often with soap and water for at least 20 seconds.”
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  Residents are advised to seek medical care for respiratory symptoms“Anybody with the following should see a healthcare provider: 1. Any of the symptoms mentioned above 2. Respiratory symptoms after exposure to pertussis 3. Contact with a person with pertussis 4. Any conditions which put the person at high risk (less than one year or pregnant) 5. Exposure to pertussis and contact with high-risk individuals”
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  CDHD urges those not up to date on vaccinations to consult healthcare providers“Anyone who is not up to date on their pertussis vaccination schedule seek care with their healthcare provider to update their immunization status.”
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  CDHD urges individuals experiencing symptoms to stay home for 24 hours“If you are experiencing respiratory illness symptoms, stay home for 24 hours and seek healthcare evaluation if symptoms do not improve.”