| rotavirus, astrovirus and adenovirus associated with an outbreak of gastroenteritis in a south african child care centre. | an outbreak of gastroenteritis in the infant-toddler unit of a child care centre (ccc) in pretoria, south africa, was investigated for possible viral enteropathogens. rotavirus was found in association with seven (70%) diarrhoeal episodes. co-infection with rotavirus and human astrovirus (hastv) was demonstrated in two of these episodes, and rotavirus, hastv and enteric adenovirus (ead) co-infection in another. rotavirus occurred alone in four of the diarrhoeal episodes, while hastv and ead were ... | 1997 | 9363021 |
| the occurrence of hepatitis a and astroviruses in selected river and dam waters in south africa. | over a period of one year (june 1997-may 1998) samples of surface waters, used for domestic and recreational purposes, were collected weekly from the same sites on the klip river and vaal dam, gauteng, south africa. sensitive and specific reverse transcriptase-polymerase chain reaction-oligonucleotide probe assays were used to detect hav and hastv rna in concentrates of the water and infectious virus in cell cultures infected with the water concentrates. hav was detected in 18 (35.3%) of the riv ... | 2001 | 11456164 |