Pertussis, Shigella sonnei, and Measles Updates February 24, 2015 Public Health Measles, Pertussis, Shigella sonnei 0 Pertussis: Feb. 26., 2015, CAHAN: Pertussis Epidemic Continues in San Diego County and California Shigella sonnei: Feb. 24, 2015, CAHAN: Shiga Toxin-producing Shigella sonnei Cases in San Diego County Measles: Feb. 20, 2015, CAHAN: Measles Update #3 Feb. 20, 2015, CDPH Health Advisory: Measles Update Kaiser Permanente "Measles Not Measles" Poster Comments are closed.