Foot and mouth disease,
Japan

Information received on 23/04/2010 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan

Summary

Report type Follow-up report No. 1
Start date 31/03/2010
Date of first confirmation of the event 20/04/2010
Report date 23/04/2010
Date submitted to OIE 23/04/2010
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 05/2000
Manifestation of disease Clinical disease
Causal agent Foot and mouth disease virus
Serotype O
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to the whole country
Related reports

New outbreaks

Outbreak 1 Kawaminami-cho Koyu-gun 4, MIYAZAKI
Date of start of the outbreak 22/04/2010
Outbreak status Resolved (25/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 75 1 0 75 0
Outbreak 2 Kawaminami-cho Koyu-gun 3, MIYAZAKI
Date of start of the outbreak 19/04/2010
Outbreak status Resolved (24/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 64 2 0 64 0
Outbreak 3 Kawaminami-cho Koyu-gun 1, MIYAZAKI
Date of start of the outbreak 16/04/2010
Outbreak status Resolved (22/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 68 6 0 68 0
Outbreak 4 Kawaminami-cho Koyu-gun 2, MIYAZAKI
Date of start of the outbreak 18/04/2010
Outbreak status Resolved (23/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 118 3 0 118 0
Outbreak 5 Tsuno-cho Koyu-gun 1, MIYAZAKI
Date of start of the outbreak 26/03/2010
Outbreak status Resolved (25/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Buffaloes 42 1 0 42 0
Swine 2 0 0 2 0
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 325 12 0 325 0
Buffaloes 42 1 0 42 0
Swine 2 0 0 2 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Cattle 3.69% 0.00% 0.00% 100.00%
Buffaloes 2.38% 0.00% 0.00% 100.00%
Swine 0.00% 0.00% ** 100.00%

* Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology

Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments Five more outbreaks were found between 21 and 23 April 2010.
All affected farms are located in the movement control area established on 20 April 2010.
The National Institute of Animal Health affirmed that the first reported case was infected with FMD virus serotype O by antigen detection ELISA on 22 April 2010.
This is the first outbreak of FMD in Japan since 2000.

Control measures

Measures applied
  • Stamping out
  • Quarantine
  • Movement control inside the country
  • Screening
  • Disinfection of infected premises/establishment(s)
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures

Diagnostic test results

Laboratory name and type National Institute of Animal Health (National laboratory)
Tests and results
Species Test Test date Result
Buffaloes reverse transcription - polymerase chain reaction (RT-PCR) 23/04/2010 Positive
Cattle antigen (Ag) detection ELISA 22/04/2010 Positive
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 20/04/2010 Positive
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 21/04/2010 Positive
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 22/04/2010 Positive
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 23/04/2010 Positive

Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

Map of outbreak locations

Location of current outbreaks

Click on map to zoom in.