RESUMEN
This paper discusses, on the basis of the Bruntland Report on development and environment, the relationship between population and development possibilities, and its consequences on natural and man made resources. The author emphasizes the need to design development policies in which the protection of the environment is a priority, specially in Latin American countries.
Asunto(s)
Países en Desarrollo , Ambiente , Crecimiento Demográfico , Humanos , América LatinaAsunto(s)
Países en Desarrollo , Economía/tendencias , Crecimiento Demográfico , Humanos , América LatinaRESUMEN
From December 1984 to December 1987, rotaviruses were detected in 115 (24%) of 470 hospitalized children, by electrophoretic analysis of viral RNA. Three peaks of increased incidence were observed, coincident with the cooler months of each year. Rotavirus was found in 31% of the children with diarrhea and in 47% of those who were severely dehydrated. Vomiting was significantly associated with rotavirus shedding in diarrheic children. Eleven electropherotypes were identified, showing a sequential pattern of appearance. Strains exhibiting a "short" pattern were present in 10% of the positive cases. The rate of infection increased to 71% in march 1987, when a mixed infection with two genotypically different strains was found and when electropherotypes with an extra RNA segment appeared.