Diarrhea Associated with Rotaviruses, Enterotoxigenic Escherichia Coli, Campylobacter, and other Agents in Costa Rican Children, 1976–1981

Leonardo Mata Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Alberto Simhon Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Roberto Padilla Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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María del Mar Gamboa Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Guillermo Vargas Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Francisco Hernández Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Edgar Mohs Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Cecilia Lizano Instituto de Investigaciones en Salud (INISA), Universidad de Costa Rica, Ministerio de Salud, and Hospital Nacional de Niños, San José, Costa Rica

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Rotaviruses, enterotoxigenic Escherichia coli, Salmonella, Shigella, and parasites were investigated in outpatient diarrheic children, and in hospitalized diarrheic and nondiarrheic children, between January 1976 and June 1979. In outpatient cases studied within 4 days of onset of symptoms, rotaviruses were the most common agents (45.3%); E. coli heat-stable enterotoxin ranked second (13.4%); Shigella was third (8.1%); Salmonella was fourth (7.3%). In 63.2%, one or more enteric agents were detected. In hospitalized non-diarrheic children, asymptomatic shedding of pathogens was rarely observed. A later survey of outpatient diarrheic children revealed Campylobacter fetus jejuni in 8%. In 5.5 years of observation rotaviruses were endemic with excess frequency in the dry and cooler months of December and January. The excess occurrence of bacterial pathogens did not coincide with that of rotaviruses.

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