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Japan Institute for Health Security
The Infectious Disease Information Website

Isolation/detection of measles virus in Japan, 2013-2014 (as of July 7, 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.
Figure 1. Monthly reports of measles virus isolation/detection, 2010-2014
Figure 2. Age distribution of measles virus isolation/detection, 2012-2014
Figure 3. Isolation/detection of measles virus by prefecture, 2012-2014
      * Figure 1-Figure 3: as of July 22, 2014
Reports of measles virus isolation/detection by genotype　(as of Jul. ７, 2014) 
Year of detectionMonth of detectionCases
Genotype B3
2013Total26
2014　Jan.55
Feb.58
Mar.62
Apr.29
May.12
Jun.4
Total220
Genotype D8
2013Total14
2014Jan.1
Feb.3
Mar.7
May.9
Jun.7
Jul.2
Total29
Genotype D9
2013Total5
2014Jan.1
Feb.1
Mar.5
Apr.15
Total22
Genotype H1
2013Total5
2014Mar.3
Apr.1
May.3
Jun.1
Total8
Genotype Not typed
2013Total3
2014Jan.1
Feb.2
Mar.1
Apr.5
Total9
Year of detectionMonth of detectionCases
Total measle cases with virus isolation /detection, 201353
Total measle cases with virus isolation /detection, 2014288

*Excludes measles virus isolation/detection of genotype A (vaccine type) from vaccinees.

src=Isolation/detection of measles virus in Japan, 2013 (as of　August 1, 2013)
src=Isolation/detection of measles virus in Japan, 2013 (as of March 21, 2013)
src=Isolation/detection of measles virus in Japan, 2012 (February 7, 2013)
src=Isolation/detection of measles virus in Japan, 2009-2011 (February 15, 2012)
src=Isolation/detection of measles virus in Japan, 2006-2008 (February 2, 2011)

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

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