Based on the pathogenic characteristics of noroviruses, this article describes the epidemiological and clinical characteristics of norovirus gastroenteritis outbreak in hospital and explores the measures to prevent and control the nosocomial outbreak.

Nrovirus infection among 90 patients with viral gastroenteritis;

Rotavirus gastroenteritis accompanied by damage of central nervous system (report of 17 cases);

Detection of the genomic sequence of western equine encephalitis virus by reverse transcription-PCR;