[Existence of 2 types of Rotavirus associated with acute gastroenteritis in children].

Rotaviruses found in the stools of different infants, hospitalized in the Hospital del Niño del DIF, may be grouped into at least two types according to their RNA composition. The viral RNA composition was analyzed by electrophoresis in agarose gels. The different types can be distinguished by the mobility of the second larger of the 11 segments that make up the viral RNA.