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Since August 1978 till July 1979 the faeces of 130 children with diarrhea of less than 5 days of evolution and ages ranging between 0 and 5 years were studied. A control group of 100 normal children was studied in the period January-July 1979. In all cases the diagnostic technique used was Discontinuous Counter-Immunoelectrophoresis (DCIE), the efficiency of which was compared with Electron Micixscopy (EM). Blood samples were extracted from each child with diarrhea, in the acute and convalescence period, complement fixing antibodies being measured with antigen of Nebraska Calf Diarrhea Virus (NCDV).

The data obtained by DCIE and EM show great similarity. The results were positive in 30% of the patients. In the control group only 2% were positive. The infection by Rotavirus showed a marcked seasonal variation with a peack in the cold months(71% in May) and a drop in the warm months (0% in December).The average age of children with Rotavirus was 4,5 months. In two cases a repetition of the diarrhea with virus isolation was observed. The patients did not show clinical differences that permit differentiation with those diarrheas produced by other germs.

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Muchinik, G., Grinstein, S., Plaza, A. et al. 29 INFANTILE GASTROENTERITIS IN INFANCY DUE TO ROTAVIRUS. Pediatr Res 15, 188 (1981).

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