Health Advisories

  • Pertussis Fact Sheet

    Pertussis Fact Sheet

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    To report a confirmed or suspect case of pertussis, complete the or call . Overview Pertussis is common and very contagious. It is caused by Bordetella pertussis. The bacteria infect cilia in the upper respiratory tract. Early symptoms are mild, like the common cold. Patients often experience violent coughing fits (paroxysms). These can be followed by…

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  • Hepatitis A Fact Sheet

    Hepatitis A Fact Sheet

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    Overview Transmission: Fecal-oral. Incubation Period: Average 28-30 days (range 15-50 days). Symptoms: Anorexia, vomiting, abdominal pain, fatigue, followed by jaundice. Severity of illness increases with age. Infectious Period: 14 days prior to onset of jaundice to seven days after onset of jaundice. Infants can excrete virus in the stool for longer periods of time. Epidemiology:…

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  • Health Advisory: Zika Testing

    Health Advisory: Zika Testing

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    Action Requested Know how to order appropriate Zika virus testing through commercial laboratories. Background Because testing for Zika virus is now widely available through commercial laboratories, testing for Zika virus at Washington State Public Health Laboratories is now limited to: Patients for whom cost is a barrier to testing. Infants with possible congenital exposure to…

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  • Hand Hygiene In Healthcare Settings

    Hand Hygiene In Healthcare Settings

    What is hand hygiene? Hand hygiene refers to the use of hand washing with soap and water or alcohol hand sanitizer (60% alcohol or greater) in order to reduce infection rates, reduce transmission of antimicrobial resistant organisms and stop outbreaks of communicable disease. Why is hand hygiene important? When should I use hand hygiene? How…

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