Investigation of an epidemic of sapovirus infection in an university

  Objective  To investigate the cause of an infectious diarrhea epidemic in an university, evaluate the effectiveness of the response measures and provide scientific evidence for the prevention and control of infectious diarrhea.

  Methods  Descriptive research, case-control study and retrospective questionnaire survey were used to investigate the epidemic. The results were entered into Excel database and analyzed by software SPSS.

  Results  A total of 66 cases were reported with an attack rate of 3.08% (66/2144). A total of 32 samples were collected, including anal swabs, drinking water, and surface swabs of food and living environment. Five anal swabs of the cases' were positive for sapovirus.

  Conclusion  The epidemic of infectious diarrhea was caused by sapovirus. Public toilet using might be the risk factor for the transmission.