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[Comparative studies on the rotavirus syndrome following infection with human rotavirus of the subgroup 1 or 2].

Human rotavirus infection which heals spontaneously causes gastroenteritis in newborns and infants. 150 pediatric patients infected with rotavirus as diagnosed by ELISA suffered from diarrhoea for an average of 3 days, from vomiting for 1 day, and/or fever for 1-2 days. Nowadays this disease is known as "human rotavirus syndrome". Human rotaviruses can be divided into at least 4 serotype antigens and some 3 further subgroup antigens. The serotype antigens are only detectable biologically (e.g. by neutralization test), whereas the subgroup antigens can be demonstrated as specific proteins by a solid-phase test (ELISA). This study investigated whether an infection with human rotavirus of subgroup 1 (21%) or 2 (77%), which occur most frequently causes different degrees of severity of the rotavirus syndrome. The clinical comparison of 27 (subgroup 1) and 98 (subgroup 2) infected patients shows that the disease is not significantly different. This means that the detection of subgroup antigens 1 and 2 does not result in a different prognosis for the disease. The diagnosis of subgroup antigens after human rotavirus infection is therefore clinically important only for the detection of nosocomial infections, especially due to the rarely occurring subgroups 1 and 3.