Isolation/detection of influenza virus in Japan, week 36/2013-week 16/2014 (as of April 24, 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 (Reference figure).

Figure 1. Weekly reports of influenza virus isolation/detection, week 36/2013-week 16/2014

Figure 2. Isolation/detection of influenza virus by prefecture, week 36/2013-week 16/2014

Figure 3. Age distribution of cases with isolation/detection of influenza virus, week 36/2013-week 16/2014

[Reference figure] Weekly cases of influenza and isolation/detection of influenza viruses from week 36 of 2008 to week 41 of 2011

Isolation/detection of influenza virus in Japan, from week 36 (September 3-8) of 2012 to week 11 (March 11-17) of 2013 (as of March 18, 2013)

Isolation/detection of influenza virus in Japan, from week 36 (September 5-11) of 2011 to week 25 (June 18-24) of 2011 (as of July 19, 2012)

Isolation/detection of influenza virus in Japan, from week 36 (September 6-12) of 2010 to week 19 (May 9-15) of 2011 (as of September 6, 2011)

Isolation/detection of influenza virus in Japan, from week 19 (May 4-10) of 2009 to week 19 (May 10-16) of 2010 (as of May 13, 2010)

Infectious Agents Surveillance Report, Infectious Disease Surveillance Center,
National Institute of Infectious Diseases

Go to Flash report of influenza virus in Japan