Sonoma County Whooping Cough Rates Reach 120 Cases per 100,000 Residents
There are nearly 120 cases of pertussis, or whooping cough, for every 100,000 residents in Sonoma County -- the highest rate in the state. Karen Holbrook, interim health officer for the county, said the illness has peaked and cases are beginning to decline. Meanwhile, there are 90 whooping cough cases per 100,000 Napa County residents and 65 cases per 100,000 Marin County residents.
- "Sonoma County Has Highest Whooping Cough Rate in Statewide Epidemic" (Shallcross, "State of Health," KQED, 7/16).