AI Article Synopsis
- Specimens from gastroenteritis patients in the USSR (1979-1984) were analyzed using various methods, showing that rotaviruses caused most winter-spring outbreaks and a sizable portion (34.9%) of sporadic cases.
- Severe gastroenteritis with dehydration was common in adults during winter-spring outbreaks, while infants showed cases of being virus carriers.
- The detection rate of rotavirus by electron microscopy decreased after 4 days from illness onset, and other viruses like adenoviruses, caliciviruses, and coronaviruses were also found in patient feces.
Article Abstract
Specimens from patients with gastroenteritis (GE) collected during outbreaks and from sporadic cases reported in the USSR in 1979-1984 were examined by electron microscopy (EM), enzyme immunoassay, rotavirus neutralization test in cell culture. All the winter-spring outbreaks and a considerable number (34.9%) of sporadic GE cases were caused by rotaviruses. The summer-autumn outbreaks were of non-rotavirus nature. In water-borne winter-spring outbreaks in adults, severe forms of GE with signs of dehydration were observed. Among infants, cases of virus-carrier state were detected. The rate of rotavirus detection by EM in winter-spring outbreaks depended on the time of specimen collection and decreased after 4 days from the onset of the disease. Apart from rotaviruses, adeno-, astro-, calici-, coronaviruses, and picornavirus-like particles were detected by EM in feces from GE patients.
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