The National Institute of Infectious Diseases (Japanese: 国立感染症研究所, Hepburn: Kokuritsukansenshōkenkyūjo) is an institution of the Ministry of Health, Labour and Welfare. Its predecessor is the National Institute of Health (Japanese: 国立予防衛生研究所, Hepburn: Kokuritsu yobōeiseikenkyūsho), which was established in 1947.