Foot and mouth disease,
Japan

Information received on 28/04/2010 from Dr Toshiro Kawashima, CVO, Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo , Japan

Summary

Report type Follow-up report No. 2
Start date 31/03/2010
Date of first confirmation of the event 20/04/2010
Report date 28/04/2010
Date submitted to OIE 28/04/2010
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 6, MIYAZAKI
Date of start of the outbreak 26/04/2010
Outbreak status Resolved (28/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Swine 486 5 0 486 0
Outbreak 2 Kawaminami-cho Koyu-gun 7, MIYAZAKI
Date of start of the outbreak 27/04/2010
Outbreak status Resolved (04/05/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 1019 5 0 1019 0
Outbreak 3 Kawaminami-cho Koyu-gun 5, MIYAZAKI
Date of start of the outbreak 23/04/2010
Outbreak status Resolved (28/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 725 4 0 725 0
Outbreak 4 Ebino city 1, MIYAZAKI
Date of start of the outbreak 27/04/2010
Outbreak status Resolved (29/04/2010)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Destroyed Slaughtered
Cattle 275 4 0 275 0
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Destroyed Slaughtered
Swine 486 5 0 486 0
Cattle 2019 13 0 2019 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Swine 1.03% 0.00% 0.00% 100.00%
Cattle 0.64% 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 Four more outbreaks were found between 24 and 28 April 2010.
Since the farm in Ebino was outside the movement control area established on 20 April, new movement restriction within 10 km around the farm has been implemented since 28 April.
Concerning the outbreak in swine, a member of the staff of the affected farm observed a breeding pig limping on 26 April 2010. A veterinarian of the farm found on 27 April suspicious cases which had using the nasal speculum vesicles and erosions as well as on the hooves. The National Institute of Animal Health affirmed on 28 April by PCR that the pigs were infected with FMD virus. The farm is located in the movement control area established on 20 April.

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
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 25/04/2010 Positive
Cattle reverse transcription - polymerase chain reaction (RT-PCR) 28/04/2010 Positive
Swine reverse transcription - polymerase chain reaction (RT-PCR) 28/04/2010 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.