Prevalence of antibodies to mosquito-borne encephalitis viruses in residents of the Coachella Valley, California

William Reisen, R. E. Chiles, H. D. Lothrup, S. B. Presser, J. L. Hardy

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Sera from 19 (2.6%) and 118 (16.4%) of 719 outpatients attending clinics in the southeastern Coachella Valley, California during 1993 and 1994 exhibited IgG antibodies to western equine encephalomyelitis and St. Louis encephalitis (SLE) viruses, respectively, using enzyme immunoassays. However, only seven (1.0%) and 36 (5.0%) outpatients were positive by plaque-reduction neutralization tests (PRNTs), and seven (1.0%) and 84 (11.7%) out-patients were positive by sere hemagglutination inhibition assays, respectively. None were positive for IgM antibodies indicative of recent infection or were diagnosed clinically with central nervous system disease. Prevalence of PRNT antibody to SLE increased as a function of patient age, but did not vary significantly in relation to years of residence, sex, race, postal zip code, occupation, or month of collection.

Original languageEnglish (US)
Pages (from-to)667-671
Number of pages5
JournalAmerican Journal of Tropical Medicine and Hygiene
Volume55
Issue number6
DOIs
StatePublished - Jan 1 1996

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Arbovirus Encephalitis
Encephalitis Viruses
Neutralization Tests
Antibodies
Western Equine Encephalomyelitis
St. Louis Encephalitis
St. Louis Encephalitis Viruses
Outpatients
Central Nervous System Diseases
Hemagglutination
Ambulatory Care Facilities
Immunoenzyme Techniques
Occupations
Immunoglobulin M
Immunoglobulin G
Infection
Serum

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases
  • Virology

Cite this

Prevalence of antibodies to mosquito-borne encephalitis viruses in residents of the Coachella Valley, California. / Reisen, William; Chiles, R. E.; Lothrup, H. D.; Presser, S. B.; Hardy, J. L.

In: American Journal of Tropical Medicine and Hygiene, Vol. 55, No. 6, 01.01.1996, p. 667-671.

Research output: Contribution to journalArticle

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