Seroepidemiology of Emerging Tickborne Infectious Diseases in a Northern California Community

A seroprevalence and risk factor study of emerging tickborne infectious diseases (Lyme disease, ehrlichiosis, and babesiosis) was conducted among 230 residents of a semirural community in Sonoma County, California. Over 50% of residents reported finding a tick on themselves in the preceding 12 month...

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Bibliographic Details
Published in:The Journal of infectious diseases 1997-06, Vol.175 (6), p.1432-1439
Main Authors: Fritz, Curtis L., Kjemtrup, Anne M., Conrad, Patricia A., Flores, George R., Campbell, Grant L., Schriefer, Martin E., Gallo, Dana, Vugia, Duc J.
Format: Article
Language:eng
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Summary:A seroprevalence and risk factor study of emerging tickborne infectious diseases (Lyme disease, ehrlichiosis, and babesiosis) was conducted among 230 residents of a semirural community in Sonoma County, California. Over 50% of residents reported finding a tick on themselves in the preceding 12 months. Samples from 51 (23%) residents were seroreactive to antigens from one or more tickborne disease agents: 1.4% to Borrelia burgdorferi, 0.4% to Ehrlichia equi, 4.6% to Ehrlichia chaffeensis, and 17.8% to the Babesia-like piroplasm WA1. Only 14 (27%) of these seroreactive residents reported one or more symptoms compatible with these diseases. Seroreactivity was significantly associated with younger age (
ISSN:0022-1899
1537-6613