| identification and type distribution of astroviruses among children with gastroenteritis in colombia and venezuela. | astrovirus infections were detected by enzyme immunoassay in 12 (5%) of 251 stool samples from children with gastroenteritis from bogota, colombia. in addition, astroviruses were detected by reverse transcription-pcr in 3 (10%) of 29 stool samples negative for other enteric pathogens collected in caracas, venezuela, from children with gastroenteritis. astrovirus type 1 was the most frequently detected virus. | 2000 | 10970410 |