Increased Pertussis Cases in School-Aged Children

Since January 2018, Alameda County Public Health Department (ACPHD) has noted a marked increase in reported pertussis cases in school-aged children across the county, and clusters of pertussis cases in some schools. Most cases have occurred in high school-aged children. Like the rest of California, Alameda County has experienced a cyclical increase in pertussis cases every 3 to 5 years; the most recent peaks were in 2010, 2014, and now, 2018.

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