- On chikungunya fever: review
- Relation between seasonal change of number of the dengue fever cases diagnosed in Japan and seasonal change of the epidemic in the countries where infection was acquired
- Dengue and chikungunya virus infection in Bali, Indonesia, 2010
- Four imported dengue fever cases from Africa to Japan, 2008-2010
- Two dengue fever cases in Croatia, one of which was detected as an imported case in Germany, 2010
- Ecology of Aedes albopictus and its expanding habitat in Tohoku district in Japan
- Notice from MHLW: Requesting intensified surveillance directed to facilities handling raw meat for direct consumption
- Notice from MHLW: Decision on influenza virus strains to be used for the 2011/12 season influenza HA vaccine in Japan
- Detection of influenza viruses in the 2010/11 season, as of March 2011—Okinawa
- Detection of rubella virus from four measles-suspected cases (1j strain from an imported case from Philippines and 2B strains from domestic cases) , February-March, 2011—Ibaraki
- Outbreak of Shigella sonnei infection in a nursery school, February 2011—Fukuoka City
- Detection of Paragonimus metacercariae from Japanese freshwater crabs marketed as food, 2008-2011
- Various genotypes of norovirus detected in sixty-seven infectious gastroenteritis outbreaks from April 2010 to March 2011—Miyagi
- HIV/AIDS in Japan, January-March, 2011
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