Rotaviruses and Campylobacter fetus jejuni are ubiquitous agents of diarrheal disease in animals and humans. Under natural conditions they do not seem to cross inter-species barriers; a zoonosis has not been documented for ...

From 1982 to 1987 infant and preschool Costa Rican children with acute diarrhea were studied. Cryptospo­ ridium (Tyzzer 1912) and other agents of diarrhea were invetigated. Criptosporydium oocysts were diagnosed in Giemsa ...

Between September 1979 and September 1981 a field study was conducted on the etiology of diarrhea' disease in the area of Puriscal, Costa Rica. The presence of enteric pathogens was investigated in the stools of 267 ...

Lime juice killed Malian of Vibrio cholerae 01, El Tor, Inaba, present on cabbage and lettuce contaminated in the laboratory. The lethal effect was evident within 5 min of exposure to lime juice. No vibrios could be recovered ...

This paper describes an outbreak of paralytic shellfish poisoning (PSP), affecting human populations on the Pacific Coast of Costa Rica in October 1989. Numbness in arms, face and legs occurred 30 to 45 minutes after ...

Se estudió una población de niños lactantes y preescolares, con y sin diarrea, de las áreas urbano y rural de los altiplanos de Costa Rica, observados respectivamente en un servicio de emergencia de un hospital metropolitano ...

Se llevó a cabo un estudio de la estructura genética de la población de Matambú, Costa Rica, utilizando marcadores genéticos de 6 loci que incluyen los grupos sanguíneos ABO y Rh y la albilmina, ceruloplasmina, haptoglobina ...

Se evaluó el efecto de diferentes dosis y tiempos de inmersión de soluciones de cloro y de Kilol sobre la calidad poscosecha de lechuga americana, y ademáis, la acci6n bactericida de estas soluciones sobre el Vibrio ...