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Volume 7, Number 3—June 2001

Dispatch

The First Reported Case of California Encephalitis in More Than 50 Years

Bruce F. Eldridge*Comments to Author , Carol Glaser†, Robert E. Pedrin‡, and Robert E. Chiles*
Author affiliations: *University of California, Davis, California, USA; †California Department of Health Services, Berkeley, California, USA; ‡Family Practice, Greenbrae, California, USA

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Table

Neutralizing antibody titers to 10 arboviruses in paired serum samples of a patient with neurologic symptoms, California, 1996

Virus (strain) Acute-phase seruma Convalescent-phase serumb
California encephalitis (BFS-283) 1:80 1:320
Snowshoe hare (original) 1:80 1:160
La Crosse (prototype) 1:40 1:40
Jamestown Canyon (BFS 4474) 1:20 1:20
Morro Bay (DAV 457) 1:80 1:40
Tahyna (Bardos 92) 1:40 1:20
Northway (BFN 2654) 1:20 <1:20
Main Drain (BFS 5015) <1:20 <1:20
Lokern (BFS 5183) <1:20 <1:20
Western equine encephalomyelitis (BFS 1703) <1:20 <1:20
St. Louis encephalitis (BFS 1750) <1:20 <1:20

aSample taken 8 days after onset of symptoms.
bSample taken 16 days after onset of symptoms.

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