Disease Information

31 August 2006
Vol. 19 - No. 35

Contents
Highly pathogenic avian influenza in Vietnam: follow-up report No. 18 (covering the period from 24 February 2006 to 29 August 2006)
Bluetongue in Germany: follow-up report No. 2
Bluetongue in the Netherlands: follow-up report No. 1
Low pathogenic avian influenza in poultry in the Netherlands: follow-up report No. 3 (final report)
Vesicular stomatitis in the United States of America: follow-up report No. 1
Highly pathogenic avian influenza in wildlife in Spain: follow-up report No. 1 (final report)
Koi herpesvirus disease in the United Kingdom/Great Britain
Newcastle disease in Brazil: follow-up report No. 6
Bluetongue in France

HIGHLY PATHOGENIC AVIAN INFLUENZA IN VIETNAM
Follow-up report No. 18 (covering the period from 24 February 2006 to 29 August 2006)

See also: 21 December 2006, 21 September 2006, 23 February 2006, 26 January 2006, 26 January 2006, 2 December 2005

Information received on 25 and 30 August 2006 from Dr Bui Quang Anh, Director, Department of Animal Health, Ministry of Agriculture and Rural Development, Hanoi:

End of previous report period: 23 February 2006 (see Disease Information, 19 [8], 142, dated 23 February 2006).

End of this report period: 30 August 2006.

Identification of agent: highly pathogenic avian influenza virus type H5N1.

Date of first confirmation of the event: 6 January 2004.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

New outbreaks:

First administrative divisionLower administrative divisionType of epide-miolo-gical unitName of the locationDate of start of the outbreakSpe-ciesNumber of animals in the outbreaks*
susceptiblecasesdeathsdestroyedslaugh-tered
Ben TreThanh PhuvillageTan Hung6 August 2006avi5020500
Ben TreThanh PhuvillageTan Hung15 August 2006avi6680660

* outbreaks of infection

Affected population: unvaccinated duck flocks. The virus was identified in samples randomly collected from the field during routine surveillance, but no clinical signs were observed.

Diagnosis:

Laboratory where diagnostic tests were performedSpecies examinedDiagnostic tests usedDatesResults
Regional Animal Health Centre, Ho Chi Minh Cityavi

- real-time RT-PCR(1)

- virus isolation

12 and 25 August 2006positive

Treatment of affected animals: no

Vaccination prohibited: no

Final report: no

(1) real-time RT-PCR: real-time reverse transcriptase - polymerase chain reaction

*
* *

BLUETONGUE IN GERMANY
Follow-up report No. 2

See also: 7 September 2006, 24 August 2006, 24 August 2006

Information received on 28 and 29 August 2006 from Prof. Dr. Werner Zwingmann, Chief Veterinary Officer, Ministry of Consumer Protection, Food and Agriculture, Bonn:

End of previous report period: 23 August 2006 (see Disease Information, 19 [34], 620, dated 24 August 2006).

End of this report period: 29 August 2006.

Identification of agent: bluetongue virus.

Date of first confirmation of the event: 21 August 2006.

Date of start of the event: 21 August 2006.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

New outbreaks:

First administrative divisionLower administrative divisionType of epide-miolo-gical unitLatitudeLongitudeSpe-ciesNumber of animals in the outbreaks
susceptiblecasesdeathsdestroyedslaugh-tered
North Rhine-WestphaliaAachenfarm50º45'34"N6º3'18"Ebov5660
North Rhine-WestphaliaAachen (Bildchen)farm50º43'33"N6º5'20"Ebov9120
North Rhine-WestphaliaAachen (Eschweiler)farm50º46'54"N6º16'11"Ebov7840
North Rhine-WestphaliaAachen (Monschau)farm50º34'23"N6º13'28"Ebov15230
North Rhine-WestphaliaAachen (Monschau)farm50º33'34"N6º14'42"Ebov4220
North Rhine-WestphaliaAachen (Monschau)farm50º32'37"N6º11'5"Ebov17350
North Rhine-WestphaliaAachen (Sief)farm50º41'39"N6º9'4"Ebov21520
North Rhine-WestphaliaAachen (Sief)farm50º41'58"N6º8'0"Ebov19220
North Rhine-WestphaliaAachen (Simmerath)farm50º38'3"N6º16'5"Eovi110
North Rhine-WestphaliaAachen (Soers)farm50º48'35"N6º5'34"Ebov13710
North Rhine-WestphaliaAachen (Soers)farm50º48'34"N6º5'32"Ebov5910
North Rhine-WestphaliaAachen (Stolberg)farm50º45'51"N6º12'13"Ebov12590
North Rhine-WestphaliaAachen (Stolberg)farm50º44'13"N6º12'30"Ebov54020
North Rhine-WestphaliaAachen (Stolberg)farm50º45'43"N6º16'41"Ebov1110
North Rhine-WestphaliaAachen (Stolberg)farm50º45'9"N6º16'14"Ebov17740
North Rhine-WestphaliaAachen (Stolberg)farm50º47'11"N6º14'52"Ebov6590
North Rhine-WestphaliaDüren (Aldenhoven)farm50º52'17"N6º16'4"Ebov11580
North Rhine-WestphaliaDüren (Birgel)farm50º46'26"N6º26'37"Ebov27160
North Rhine-WestphaliaDüren (Echz)farm50º49'35"N6º24'53"Ebov3720
North Rhine-WestphaliaDüren (Hürtgenwald)farm50º43'22"N6º22'13"Ebov16550
North Rhine-WestphaliaDüren (Kleinhau)farm50º44'10"N6º23'49"Ebov1070
North Rhine-WestphaliaDüren (Kleinhau)farm50º43'42"N6º21'55"Ebov1150
North Rhine-WestphaliaDüren (Nideggen)farm50º41'9"N6º29'6"Ebov3230
North Rhine-WestphaliaDüren (Nideggen)farm50º40'53"N6º30'57"Ebov6110
North Rhine-WestphaliaDüren (Nörvenich)farm50º49'6"N6º36'21"Ebov10320
North Rhine-WestphaliaDüren (Raffelsbrand)farm50º41'17"N6º19'23"Ebov188100
North Rhine-WestphaliaDüren (Schmidt)farm50º40'0"N6º25'20"Ebov7240
North Rhine-WestphaliaEuskirchen (Blankenheim)farm50º27'12"N6º44'8"Ebov8110
North Rhine-WestphaliaEuskirchen (Hellenthal)farm50º26'1"N6º26'1"Ebov12210
North Rhine-WestphaliaEuskirchen (Hellenthal)farm50º27'58"N6º29'6"Ebov2010
North Rhine-WestphaliaHeinsbergfarm51º0'56"N6º10'42"Eovi171

Affected populations: breeding cattle and breeding sheep.

Diagnosis:

Laboratory where diagnostic tests were performedSpecies examinedDiagnostic test usedDatesResults
Friedrich-Loeffler Institute, Insel Riemsbov/ovicELISA(1)21 and 29 August 2006positive

Source of new outbreaks: unknown or inconclusive.

Control measures

A. Undertaken:

- movement control inside the country;

- screening;

- zoning.

B. To be undertaken:

- control of arthropods;

- dipping/spraying.

Treatment of affected animals: no.

Vaccination prohibited: yes.

Final report: no.

(1) cELISA: competitive ELISA

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* *

BLUETONGUE IN THE NETHERLANDS
Follow-up report No. 1

See also: 21 September 2006, 24 August 2006

Information received on 28 August 2006 from Dr Peter W. de Leeuw, Chief Veterinary Officer, Ministry of Agriculture, Nature Management and Fisheries, The Hague:

End of previous report period: 18 August 2006 (see Disease Information, 19 [34], 612, dated 24 August 2006).

End of this report period: 28 August 2006.

Identification of agent: bluetongue virus serotype 8.

Date of first confirmation of the event: 17 August 2006.

Date of start of the event: 14 August 2006.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

New outbreaks:

First administrative division (province)Type of epide-miolo-gical unitName of the locationLatitudeLongitudeDate of start of the outbreakSpe-ciesNumber of animals in the outbreaks
susceptiblecasesdeathsdestroyedslaugh-tered
LimburgfarmBeutenaken50º46'58"N5º51'29"E24 August 2006ovi41000
LimburgfarmBocholtz50º49'48"N6º01'26"E20 August 2006bov3121000
LimburgfarmCadier en Keer50º47'22"N5º45'46"E20 August 2006bov222000
LimburgfarmEijsden50º46'51"N5º43'11"E25 August 2006ovi581000
LimburgfarmElsloo50º56'29"N5º46'02"E24 August 2006ovi381000
LimburgfarmEpen50º46'16"N5º53'04"E19 August 2006ovi1,23110000
LimburgfarmGronsveld50º47'53"N5º44'13"E20 August 2006ovi229000
LimburgfarmGulpen50º47'25"N5º52'56"E23 August 2006bov9528000
LimburgfarmHeerlen50º52'13"N5º58'10"E19 August 2006ovi648000
LimburgfarmHeerlen50º55'21"N5º58'48"E20 August 2006ovi4068000
LimburgfarmKerkrade50º52’59”N06°03’52”E17 August 2006ovi882000
LimburgfarmLemiers50º48'37"N5º53'34"E24 August 2006ovi134000
LimburgfarmMargraten50º49'15"N5º49'01"E20 August 2006o/c282000
LimburgfarmMechelen50º47'52"N5º55'59"E25 August 2006bov5324000
LimburgfarmNuth50º55'12"N5º51'47"E19 August 2006ovi281000
LimburgfarmNuth50º54'56"N5º51'11"E19 August 2006ovi293000
LimburgfarmReijmerstok50º47'38"N5º50'10"E20 August 2006bov272000
LimburgfarmSchimmert50º53'05"N5º48'49"E23 August 2006bov3125000
LimburgfarmSchin op Geul50º49'46"N5º51'14"E20 August 2006ovi1577000
LimburgfarmSchin op Geul50º51'07"N5º51'42"E25 August 2006ovi91000
LimburgfarmSimpelveld50º50'59"N5º58'34"E20 August 2006ovi1745000
LimburgfarmSint Geertruiden50º47'22"N5º46'16"E20 August 2006bov492000
LimburgfarmSint Geertruiden50º47'20"N5º46'12"E24 August 2006ovi91000
LimburgfarmValkenburg50º50'35"N5º49'13"E24 August 2006ovi54000
bov22000
LimburgfarmValkenburg50º49'36"N5º49'36"E24 August 2006ovi2538000
LimburgfarmVijlen50º46'54"N5º57'20"E20 August 2006ovi431000
LimburgfarmVijlen50º48'38"N5º53'34''E24 August 2006ovi293000
LimburgfarmWijlre50º49'52"N5º53'01"E20 August 2006ovi24000
bov8000

Diagnosis:

Laboratories where diagnostic tests were performedSpecies examinedDiagnostic tests usedDatesResults
Central Institute for Animal Disease Control (CIDC - Lelystad) (National Reference Laboratory)oviPCR(1)16 August 2006positive
ELISA(2)19 August 20063/7 positive
Pirbright Laboratory (United Kingdom) (OIE Reference Laboratory for bluetongue)oviPCR17 August 2006positive

Source of outbreaks or origin of infection: unknown or inconclusive.

Control measures

A. Undertaken:

- control of arthropods;

- movement control inside the country;

- zoning.

B. To be undertaken:

- screening.

Treatment of affected animals: yes (local antibiotic treatment).

Vaccination prohibited: yes.

Other details/comments: the cases have been found during extensive clinical and epidemiological investigations started within a 20-km zone after confirmation of the results of the Dutch reference laboratory for the first outbreak.

Final report: no.

(1) PCR: polymerase chain reaction

(2) ELISA: enzyme-linked immunosorbent assay

*
* *

LOW PATHOGENIC AVIAN INFLUENZA IN POULTRY IN THE NETHERLANDS
Follow-up report No. 3 (final report)

See also: 16 November 2006, 17 August 2006, 10 August 2006, 3 August 2006

Information received on 28 August 2006 from Dr Peter W. de Leeuw, Chief Veterinary Officer, Ministry of Agriculture, Nature Management and Fisheries, The Hague:

End of previous report period: 11 August 2006 (see Disease Information, 19 [33], 600, dated 17 August 2006).

End of this report period: 28 August 2006.

Identification of agent: low pathogenic avian influenza virus subtype H7N7*.

Date of first confirmation of the event: 1 August 2006.

Date of start of the event: 28 July 2006.

The neighbouring flock of broiler parent chickens (belonging to the same owner as the infected farm), where only serological evidence of infection was found, was tested on 9 August 2006 for a third time with negative results. The owner slaughtered the flock at the end of the same week. The remaining eggs have been delivered to an industrial processing plant. The competent authority is supervising the cleaning and disinfection of the farm and storage and further use of the chicken litter.

Based on the above-mentioned favourable results, the Netherlands lifted all measures on 24 August 2006 at 00.00 hours.

Final report: yes.

* Note by the OIE Animal Health Information Department: H5 and H7 avian influenza in its low pathogenic form in poultry is a notifiable disease as per Chapter 2.7.12. on avian influenza of the Terrestrial Animal Health Code:

http://www.oie.int/eng/normes/mcode/en_chapitre_2.7.12.htm

*
* *

VESICULAR STOMATITIS IN THE UNITED STATES OF AMERICA
Follow-up report No. 1

See also: 28 December 2006, 7 December 2006, 23 November 2006, 16 November 2006, 2 November 2006, 26 October 2006, 19 October 2006, 12 October 2006, 5 October 2006, 28 September 2006, 21 September 2006, 14 September 2006, 7 September 2006, 24 August 2006, 13 April 2006, 16 February 2006, 26 January 2006, 12 January 2006, 23 December 2005, 9 December 2005, 18 November 2005, 4 November 2005, 28 October 2005, 21 October 2005, 14 October 2005, 7 October 2005, 30 September 2005, 23 September 2005, 16 September 2005, 2 September 2005, 26 August 2005, 19 August 2005, 5 August 2005, 29 July 2005, 15 July 2005, 8 July 2005

Information received on 28 August 2006 from Dr Ron DeHaven, Associate Administrator, Animal and Plant Health Inspection Service (APHIS), United States Department of Agriculture (USDA), Washington, DC:

End of previous report period: 18 August 2006 (see Disease Information, 19 [34], 614, dated 24 August 2006).

End of this report period: 28 August 2006.

Identification of agent: vesicular stomatitis virus type New Jersey.

Date of first confirmation of the event: 17 August 2006.

Date of start of the event: 13 August 2006.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

New outbreaks:

First administrative division (State)Lower administrative division (County)Type of epide-miolo-gical unitName of the locationDate of start of the outbreakSpe-ciesNumber of animals in the outbreak
susceptiblecasesdeathsdestroyedslaugh-tered
WyomingNatronafarmNatrona15 August 2006equ13*2000
WyomingNatronafarmNatrona20 August 2006equ3*2000
WyomingConversefarmConverse21 August 2006equ199**2000

* recreational horses

** breeding horses

Location of the outbreak

Diagnosis:

Laboratory where diagnostic tests were performedSpecies examinedDiagnostic tests usedDatesResults
National Veterinary Services Laboratoriesequ

- virus isolation in cell culture

- complement fixation test

23-25 August 2006positive

Source of outbreaks or origin of infection: unknown or inconclusive (vectors?).

Control measures undertaken:

- quarantine;

- control of arthropods.

Treatment of affected animals: no.

Vaccination prohibited: yes.

Final report: no.

*
* *

HIGHLY PATHOGENIC AVIAN INFLUENZA IN WILDLIFE IN SPAIN
Follow-up report No. 1 (final report)

See also: 13 July 2006

Translation of information received on 29 August 2006 from Dr Lucio Ignacio Carbajo Goñi, Deputy Director General of Animal Health, Ministry of Agriculture, Fisheries and Food, Madrid:

End of previous report period: 7 July 2006 (see Disease Information, 19 [28], 525, dated 13 July 2006).

End of this report period: 29 August 2006.

Identification of agent: highly pathogenic avian influenza virus subtype H5N1.

Date of first confirmation of the event: 7 July 2006.

Date of start of the event: 30 June 2006.

There have been no new outbreaks of highly pathogenic avian influenza since the outbreak reported in the immediate notification report on 7 July 2006.

Final report: yes.

*
* *

KOI HERPESVIRUS DISEASE IN THE UNITED KINGDOM/GREAT BRITAIN

(Disease never reported before in the United Kingdom/Great Britain).

Immediate notification report

Information received on 30 August 2006 from Dr Debby Reynolds, Director General for Animal Health and Welfare, Department for Environment, Food and Rural Affairs (DEFRA), London:

Report date: 30 August 2006.

Reason for immediate notification: emerging disease or pathogenic agent with findings that are of epidemiological significance to other countries.

Precise identification of agent: koi herpesvirus (cyprinid herpesvirus 3).

Host species: Cyprinus carpio (common carp).

Date of first confirmation of the event: 16 June 2006.

Date of start of the event: 2 June 2006.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

Details of occurrence:

First administra-tive divisionLower administrative divisionType of epide-miolo-gical unitName of the locationDate of start of the occurrenceSpe-ciesNumber of animals in the occurrences
suscep-tiblecasesdeathsdestroyedslaugh-tered
EnglandBedfordshirelakeSandy19 June 2006pis1,60000
EnglandCambridgeshirelakeUpwell21 June 2006pis46000
EnglandCheshirelakeActon Bridge18 August 2006pis5000
EnglandCornwalllakePenvose22 July 2006pis10500
EnglandDevonlakeWinkleigh27 July 2006pis50000
EnglandGloucestershirelakeTwyning18 July 2006pis35000
EnglandHumbersidelakeBurton-upon-Stather12 July 2006pis10000
EnglandNorthamptonshirelakeWellingborough5 July 2006pis12000
EnglandShropshirelakeCraven Arms16 July 2006pis00
EnglandSomersetlakeSomerton31 July 2006pis80000
EnglandStaffordshirelakeCheadle12 July 2006pis1,00000
EnglandStaffordshirelakeEccleshall23 August 2006pis50000
EnglandSuffolklakeHaverhill4 July 2006pis5000
EnglandSurreylakeCranleigh7 July 2006pis22500
EnglandSurreylakeGodstone23 August 2006pis5500
EnglandWiltshirelakeDownton2 June 2006pis1,00000
EnglandWorcestershirelakeMalvern25 May 2006pis5600

Description of affected population: wild fish in fresh water.

Diagnosis:

Laboratory where diagnosis was madeSpecies examinedNo. of animals examinedDiagnostic tests usedDateResults
Centre for Environment, Fisheries and Aquaculture Science (CEFAS), national reference laboratory, Weymouthpis15

- single round PCR(1)

- gene sequencing

16 June 2006positive

Source of occurrences or origin of infection: unknown or inconclusive.

Control measures undertaken:

- tracing back;

- within-country movement controls.

Treatment of infected animals: no.

Other details/comments:

- Rapid onset of mortalities of common carp in lakes managed as coarse fisheries across England. In all cases only common carp appear to be affected and dying.

- Other species of fish are unaffected.

Final report: no.

Note by the OIE's Animal Health Information Department: the inclusion of Koi herpesvirus disease in the OIE-List of diseases was approved by the International Committee in May 2006. The inclusion of newly approved diseases in the OIE List, as part of the OIE's Animal Health Information System, will come into effect in January 2007.

(1) PCR: polymerase chain reaction

*
* *

NEWCASTLE DISEASE IN BRAZIL
Follow-up report No. 6

See also: 16 November 2006, 9 November 2006, 2 November 2006, 21 September 2006, 17 August 2006, 10 August 2006, 3 August 2006, 20 July 2006, 13 July 2006, 6 July 2006

Translation of information received on 30 August 2006 from Dr Jamil Gomes de Souza, Director, Department of Animal Health (DDA), Ministry of Agriculture, Livestock and Food Supply, Brasilia:

End of previous report period: 11 August 2006 (see Disease Information, 19 [33], 601, dated 17 August 2006).

End of this report period: 30 August 2006.

Identification of agent: avian paramyxovirus type 1 (APMV-1).

Date of first confirmation of the event: 4 July 2006.

Date of start of the event: 2 May 2006.

Following the actions undertaken within the framework of the epidemiological investigation into the outbreak of Newcastle disease reported in the municipality of Vale Real, State of Rio Grande do Sul, the following measures have been implemented in the protection and surveillance zones:

In accordance with the "National Active Surveillance Plan for avian influenza and Newcastle disease", after the completion of disinfection operations in the affected establishment, 50 14-day-old SPF (specific pathogen free) birds were placed in the establishment on 28 July 2006. Serum samples, swabs and organs were collected by the official Veterinary Services on 28 July, and 4, 11 and 18 August for serological and virological testing to evaluate the effectiveness of the disease eradication activities before any restocking of the premises. On 24 August 2006, the National Agricultural Laboratory in San Paulo (LANAGRO/SP) informed the animal health department that the results of the serological tests were negative. The virological tests are still in progress.

To date, the epidemiological investigation conducted in commercial poultry establishments and subsistence farms situated within the protection and surveillance zones has found no clinical signs of Newcastle disease.

The laboratory tests on 238 swabs from 79 properties situated in the protection and surveillance zones resulted in the isolation of a non-pathogenic Newcastle disease virus in one sample. The isolated virus was found to have an intracerebral pathogenicity index (ICPI) of 0.38. According to the World Organisation for Animal Health (OIE), the virus is considered pathogenic if it has an ICPI of 0.7 or greater.

The animal health protection activities in the protection and surveillance zones will be maintained until the definitive results of the diagnostic tests are known.

Final report: no.

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BLUETONGUE IN FRANCE

See also: 23 November 2006, 26 October 2006, 14 September 2006

Immediate notification report

Translation of information received on 31 August 2006 from Dr Monique Eloit, Deputy Director General, General Directorate for Food (DGAL), Ministry of Agriculture, Food, Fisheries and Rural Affairs, Paris:

Report date: 31 August 2006.

Reason for immediate notification: first occurrence of a listed disease or infection in a zone/compartment.

Identification of agent: bluetongue virus. Serotyping in progress.

Date of first confirmation of the event: 30 August 2006.

Date of start of the event: 28 August 2006.

Clinical disease: yes.

Nature of diagnosis: clinical and laboratory.

Details of outbreak:

First administrative divisionType of epide-miolo-gical unitName of the locationDate of start of the outbreakSpe-ciesNumber of animals in the outbreak
susceptiblecasesdeathsdestroyedslaugh-tered
ArdennesfarmBrognon28 August 2006bov961000

Location of the outbreak

Description of affected population: a herd of dairy cows. One 2-year-old cow showed moderate clinical signs (lameness).

Diagnosis:

Laboratories where diagnostic tests were performedSpecies examinedDiagnostic tests usedDatesResults
French Agricultural Research Centre for International Development (CIRAD-EMVT), Montpellier, FrancebovELISA(1) for detection of antibodies30 August 2006positive
Study and Research Laboratory for Animal Pathology and Zoonoses (LERPAZ, AFSSA(2)), Maisons-Alfort, FrancebovPCR(3)30 August 2006positive

Source of outbreak or origin of infection: vectors.

Control measures undertaken:

- movement control inside the country;

- screening;

- zoning;

- control of arthropods.

Treatment of affected animals: no.

Vaccination prohibited: no.

Final report: no.

(1) ELISA: enzyme-linked immunosorbent assay

(2) LERPAZ: Laboratoire d'études et de recherches en pathologie animale et zoonoses (Research Laboratory for Animal Diseases and Zoonoses). AFSSA: Agence française de sécurité sanitaire des aliments (French Agency for Food Safety)

(3) PCR: polymerase chain reaction

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