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Increase in Pertussis Cases Observed in 2019
A total of 70 confirmed and probable pertussis infections have been investigated by Spokane Regional Health District (SRHD) staff so far this year. Most have been unrelated cases. While only slightly fewer cases were reported during 2018 (65), almost two thirds of last year’s total were related to a large outbreak at a residential boarding school. In 2017, only 32 cases were reported. This year, one adult and two infants have been hospitalized. Vaccination status has varied, though as expected, many cases have occurred in children and adults who have been unimmunized, partially immunized or whose immunization status was unknown.