[Investigation of an outbreak of acute diarrhea caused by Human calicivirus].

Background: To survey a diarrhea outbreak in Guangan city and analyze the cause of the disease.

Methods: The population enrolled in the surveillance came from four different settings and was randomly sampled. Stool specimens collected from diarrhea patients were tested ordinarily for enteric bacteria and further examined for viral pathogens with PAGE, ELISA and RT-PCR.