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Title: Serology and carriage of pseudomonas pseudomallei: A prospective study in 1000 hospitalized children in northeast thailand
Authors: Panida Kanaphun
Nittaya Thirawattanasuk
Yupin Suputtamongkol
Pimjai Naigowit
David A.B. Dance
Michael D. Smith
Nicholas J. White
Mahidol University
Nuffield Department of Clinical Medicine
London School of Hygiene & Tropical Medicine
Keywords: Medicine
Issue Date: 1-Jan-1993
Citation: Journal of Infectious Diseases. Vol.167, No.1 (1993), 230-233
Abstract: Throat swabcultures and indirect hemagglutination assay (IHA) for Pseudomonas pseudomallei were done in 1000 randomly selected children at a large hospital in northeast Thailand. During 18 months, 17 children with melioidosis were admitted (0.46% of pediatric admissions excluding neonates born in the hospital). Throat swab was positive for P. pseudomallei in 8 of these but in none of 1000 control children. IHA seroprevalence rose at a conversion rate of 24% per year, from 12% in those 1–6 months old to a plateau at ∼0% after age 4 years. No control child <4 had an IHA titer >1:160. The median titer in children with melioidosis was 1:80 (range, negative [in3]-1: 5120). Specificity of IHA declined with age, but high titers (⩾1: 640) remained diagnostically useful. Thus, throat carriage of P.pseudomallei indicates active melioidosis. There is no evidence for an asymptomatic carrier state in children. Environmental exposure to P. pseudomallei in endemic areas begins when the child becomes mobile. © 1993 by The University of Chicago.
ISSN: 15376613
Appears in Collections:Scopus 1991-2000

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