Surveillance System in Tokyo, Japan

The diseases which all physicians must report

All physicians must report to health centers the incidence of the diseases which are shown below. Health centers electronically report the individual case to Tokyo Metropolitan Infectious Disease Surveillance Center.

Category I: Ebola hemorrhagic fever, Crimean-Congo hemorrhagic fever, Smallpox, South American hemorrhagic fever, Plague, Marburg disease, Lassa fever

Category II: Acute poliomyelitis, Tuberculosis, Diphtheria, Severe Acute Respiratory Syndrome(SARS), Avian Influenza(H5N1)

Category III: Cholera , Shigellosis, Enterohemorrhagic Escherichia coli infection, Typhoid fever, Paratyphoid fever

Category IV:
Hepatitis E , West Nile fever , Hepatitis A , Echinococcosis , Yellow fever , Psittacosis , Omsk hemorrhagic fever , Relapsing fever , Kyasanur forest disease , Q fever , Rabies , Coccidioidomycosis , Monkeypox , Hemorrhagic fever with renal syndrome , Western equine encephalitis , Tick-borne encephalitis , Anthrax , Scrub typhus(Tsutsugamushi disease) , Dengue fever , Eastern equine encephalitis , Avian influenza(excluding H5N1) , Nipah virus infection , Japanese spotted fever , Japanese encephalitis , Epidemic typhus , Hantavirus pulmonary syndrome , Herpes B virus infection , Glanders , Brucellosis , Venezuelan equine encephalitis , Hendra virus infection , Botulism , Malaria , Tularemia , Lyme disease , Lyssavirus infection(excluding rabies) , Rift valley fever , Melioidosis , Legionellosis , Leptospirosis , Rocky mountain spotted fever

Category V:
Amebiasis , Viral hepatitis(excluding hepatitis A and E) , Acute encephalitis(excluding JE and WNE) , Cryptosporidiosis , Creutzfeldt-Jakob disease , Severe invasive streptococcal infections(TSLS) , Acquired immunodeficiency syndrome (AIDS) , Giardiasis , Meningococcal meningitis , Congenital rubella syndrome , Syphilis , Tetanus , Vancomycin-resistant S. aureus infection , Vancomycin-resistant Enterococcus infection , Rubella , Measles

Sentinel-Reported surveillance

The numbers of patients who visit designated clinics or hospitals during a week are reported to health centers (There are 31 in Tokyo). And they electronically report the numbers to Tokyo Metropolitan Infectious Disease Surveillance Center. We have about 200 fixed points (clinics and hospitals) in Tokyo.

(*) 1st Week is early January and 52nd Week is end of December.

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