• Epidemiology of meningococcal meningitis and meningococcal vaccines worldwide
  
• Molecular epidemiological analysis of Neisseria meningitidis isolates from 1974-2003 in Japan by multilocus sequence typing -NIID
  
• Trends in meningococcal meningitis and analysis of Neisseria meningitidis isolates, January 2003-June 2004 -Kanagawa
  
• Carrier rates of Neisseria meningitidis among healthy individuals in Japan, September 2000-March 2003: collaborative study between 10 PHIs and NIID
  
• A mixed epidemic of influenza AH1 and AH3 viruses, December 2004 -Sendai City
  
• Local outbreaks of influenza AH1 virus, November-December 2004 -Miyagi
  
• Two cases of congenital rubella syndrome, October-November 2004 -Oita
  
• Isolation of mumps virus from local outbreak of mumps, November-December 2004 -Kobe City
  
• Incidence of scrub typhus and detection of Orientia tsutsugamushi DNA by PCR, 2000-2004 -Aomori
  
• Two outbreaks of food poisoning due to nalidixic acid-resistant Campylobacter jejuni , August&October 2004 -Shizuoka City
  
• An outbreak of EHEC infection in a nursery school, September 2004 -Miyagi
  
• An outbreak of food poisoning due to Staphylococcus aureus caused by ingredients in rice balls, November 2004 -Niigata City
  
• AIDS and HIV infections in Japan, October-December 2004
  

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