Detection of gastroenteritis viruses in Japan, 2013/14 season (as of April 3, 2014)
In Japan, Infectious Disease Surveillance Center (IDSC) of National Institute of Infectious Diseases (NIID) is notified the results of isolation/detection of infectious agents from prefectural and municipal public health institutes (PHIs). Their information are based on the laboratory identification done by PHIs for the specimens collected at sentinel clinics/hospitals under the National Epidemiological Surveillance of Infectious Diseases (NESID), occasionally at non-sentinel sites and at health centers.
From gastroenteritis cases, norovirus and other viruses (sapovirus, rotavirus, astrovirus etc.) are detected.
Figure 1. Weekly reports of norovirus, sapovirus and rotavirus detection, 2013/14 season
Figure 2. Detection of norovirus, sapovirus and rotavirus by prefecture, 2013/14 season
Figure 3. Weekly detection of norovirus by prefecture, week 8 - week 12 of 2014
*2013/14 season: Week 36/September of 2013 - Week 35/August of 2014
**Data for current and previous weeks will be updated by additional reports.
***Weekly reports of astrovirus detection, 2010/11-2013/14 season
Link to Detection of norovirus GII/4 2012 variant in Japan (National Institute of Health Sciences)
Detection of gastroenteritis viruses in Japan, 2011/12 season (as of November 8, 2012)
Infectious Agents Surveillance Report, Infectious Disease Surveillance Center,
National Institute of Infectious Diseases
