Paratyphoid B fever in 2 areas of Santiago. An analysis of the epidemiological significance

Salmonella isolates from 3920 patients with typhoid fever from 2 areas in Santiago were analyzed to determine the frequency of association with S paratyphi B infection. This was demonstrated in 18.8% of subjects in both areas, a figure significantly higher than the 8-10% previously reported. The ass...

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Published inRevista medíca de Chile Vol. 118; no. 12; p. 1393
Main Authors Herrera, P, Arias, H, Valenzuela, C, Galanti, M, Rivera, G, Prenzel, I, Henríquez, N, Cumsille, F, Vidal, A
Format Journal Article
LanguageSpanish
Published Chile 01.12.1990
Subjects
Adolescent
Adult
Age Factors
Chi-Square Distribution
Child
Child, Preschool
Chile - epidemiology
Confidence Intervals
Female
Humans
Male
Paratyphoid Fever - epidemiology
Paratyphoid Fever - microbiology
Salmonella paratyphi B - classification
Serotyping
Sex Factors
Urban Population - statistics & numerical data
Chile
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Summary:Salmonella isolates from 3920 patients with typhoid fever from 2 areas in Santiago were analyzed to determine the frequency of association with S paratyphi B infection. This was demonstrated in 18.8% of subjects in both areas, a figure significantly higher than the 8-10% previously reported. The association with S paratyphi B was higher for females, especially for the younger age group. These findings suggest an infectious agent-gender-age interaction which may explain the discrepancy with previously reported rates of infection. Their possible relation to the chronic salmonella carrier state and association with biliary tract lithiasis and cancer is discussed.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0034-9887