Isolation/detection of measles virus in Japan, 2013 (as of March 27, 2013)

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In Japan, prefectural and municipal public health institutes (PHIs) report isolation/detection of infectious agents from specimens collected by sentinel clinics and hospitals under the National Epidemiological Surveillance of Infectious Diseases, other medical institutions and health centers.
Figure 1. Monthly reports of measles virus isolation/detection, 2010-2013
Figure 2. Isolation/detection of measles virus by prefecture, 2009-2013
Figure 3. Monthly isolation/detection of measles virus by prefecture, 2012$2013
Figure 4. Monthly isolation/detection of measles virus genotype D8 by prefecture, 2012&2013
Figure 5. Age distribution of cases with measles virus inolation/detection, 2012&2013
Figure 6. Isolation/detection of measles virus by genotype and prefecture, 2012&2013

From January to March 2013, PHIs in 5 prefectures (Chiba, Aichi, MIe, Hyogo and Wakayama) reported 6 measles virus isolation/detection. 

[Genotype D9] One case in March.
In Mie, one domestic sporadic case in March.*New

[Genotype H1] One case in February.
    In Aichi, one case in February developed measles one day after returning from China.

[Genotype A (vaccine type)] 4 cases; one case in January, 2 cases in February and one case in March.

    In Hyogo, a measles-suspected case in January (from the specimen taken 10 days after MR vaccination).
   In Chiba, a measles-suspected case in January (from the specimen taken 11 days after MR vaccination).
    In Wakayama, a measles-suspected case in February (from the specimen taken 5 days after measles vaccination).
   In Chiba, a measles-suspected case in March (from the specimen taken 9 days after MR vaccination).*New
  Isolation/detection of measles virus in Japan, 2012 (February 7, 2013)
  Isolation/detection of measles virus in Japan, 2009-2011 (February 15, 2012)
  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
Copyright 1998 National Institute of Infectious Diseases, Japan