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Rev Cubana Med Trop ; 48(3): 204-8, 1996.
Article in Spanish | MEDLINE | ID: mdl-9805053

ABSTRACT

Taking to consideration the low report of cholera patients and with the main knowing the reality about the introduction of Vibrio cholerae (V. cholerae) in Peru, a sample of 101 cases with acute diarrheal disease (ADD) was taken at the Distrito Villa El Salvador. They were selected by a systematic randomized sampling defined for each health care unit in the District, according to the daily average occurrence of ADD cases attended a week before the beginning of the study. All of them took part in a epidemiological survey. A sample was taken by rectal swab in order to isolate V. cholerae. 53 positive cases were found (52.2% and a confidence interval from 42.29 to 62.5%) with significant differences (p < 0.01) between the frequency in adults (67.3%) and children (34.8%). V. cholerae was isolated only in 13 (61.9%) of the 21 cases who had contact with cholera patients, for a relative risk of 1.24 (0.83 < RR < 1.85). A high positivity was also found, 21 cases (72.4%) among those who had raw food. A significant difference (p < 0.01) was observed in connection with those who had cooked food. In the multivariate logistic regression analysis it was only found a significant relationship with age and with the ingestion of raw food as regards the occurrence of cholera.


Subject(s)
Cholera/epidemiology , Acute Disease , Adolescent , Adult , Aged , Child , Child, Preschool , Cholera/microbiology , Cholera/transmission , Diarrhea/epidemiology , Diarrhea/etiology , Diarrhea/microbiology , Diarrhea, Infantile/epidemiology , Diarrhea, Infantile/etiology , Diarrhea, Infantile/microbiology , Humans , Infant , Logistic Models , Middle Aged , Peru/epidemiology , Prevalence , Vibrio cholerae/isolation & purification
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