[top]Disease Information
15 July 2005
Vol. 18 - No. 28Contents
AVIAN INFLUENZA IN THE PHILIPPINES
See also: 9 September 2005, 22 July 2005
Immediate notification report
Information received on 8 and 12 July 2005 from Dr José Q. Molina, Director, Bureau of Animal Industry (BAI), Department of Agriculture, Quezon City:
Report date: 12 July 2005.
Precise identification of agent: low pathogenic H5 avian influenza virus. Samples were sent to the OIE Reference Laboratory for avian influenza at the Australian Animal Health Laboratory, Geelong, Victoria, Australia, for confirmation of the specific strain involved.
Date of first confirmation of the event: 7 July 2005.
Clinical disease: no.
Nature of diagnosis: laboratory.
Details of outbreak:
First administrative division Lower administrative division Type of epide-miolo-gical unit Spe-cies Number of animals in the outbreak susceptible cases deaths destroyed slaugh-tered Bulacan province Calumpit city farm avi 280* ... 0 280* 0 * 230 native ducks, 20 native chickens and 30 two-day-old chicks
Description of affected population: smallholder (backyard) farm. The infection was detected in ducks only, with no clinical signs of disease and no deaths.
Diagnosis: the infection in ducks was detected during routine testing using haemagglutination inhibition (HI) test and was confirmed on 7 July 2005 using RT-PCR(1). All the chickens in the same farm tested negative to the HI test.
Laboratories where diagnosis was made Diagnostic tests used Date Results The Philippine Animal Health Centre, BAI, Quezon City - ELISA(2);
- agar gel precipitation test;
- haemagglutination inhibition (HI) test.
... HI test positive for H5 virus Research Institute for Tropical Medicine, Department of Health, Alabang, Metro Manila RT-PCR(1) 7 July 2005 positive Control measures:
- all ducks and chickens in the affected farm were culled and the farm was cleaned and disinfected;
- a 3-km-radius quarantine zone was imposed around the affected farm, prohibiting movement of live poultry within, into and out of the zone;
- surveillance and testing of all poultry flocks in nearby areas are being maintained.
Other details/comments: no disease incidence or abnormally high mortality were reported in poultry in the area or in adjoining towns.
(1) RT-PCR: reverse transcriptase - polymerase chain reaction
(2) ELISA: enzyme-linked immunosorbent assay
Note by the OIE Animal Health Information Department: Changes in the obligations of OIE Member Countries to notify avian influenza (“notifiable avian influenza”), as adopted during the 73rd OIE General Session in May 2005, will come into effect on 1 January 2006. The OIE Animal Health Information Department is publishing the above report because of the importance of monitoring the disease situation in South-East Asia.
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* *HIGHLY PATHOGENIC AVIAN INFLUENZA IN THAILAND
Follow-up report No. 60 (new outbreaks)See also: 16 November 2006, 3 August 2006, 27 July 2006, 6 April 2006, 16 February 2006, 2 February 2006, 26 January 2006, 19 January 2006, 12 January 2006, 23 December 2005, 16 December 2005, 9 December 2005, 2 December 2005, 25 November 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, 9 September 2005, 2 September 2005, 26 August 2005, 19 August 2005, 12 August 2005, 29 July 2005, 22 July 2005
Information received on 9 July 2005 from Dr Yukol Limlamthong, Director General, Department of Livestock Development (DLD), Ministry of Agriculture and Cooperatives, Bangkok:
End of previous report period: 30 June 2005 (see Disease Information, 18 [26], 185, dated 1 July 2005).
End of this report period: 8 July 2005.
Date of first confirmation of the event: 23 January 2004.
Nature of diagnosis: clinical, post-mortem and laboratory.
Details of new outbreaks:
First administrative division Lower administrative division Type of epide-miolo-gical unit Name of the location Date of start of the outbreak Spe-cies Number of animals in the outbreaks susceptible cases deaths destroyed slaugh-tered SuphanBuri province YanYao, SarmChoog village village No. 5 5 July 2005 avi 70 3 3 67 ... SuphanBuri province SarmChoog, SarmChoog village village No. 1 5 July 2005 avi 90 40 40 50 ... SuphanBuri province BanKhong, UThong village village No. 8 5 July 2005 avi 12 7 7 5 ... SuphanBuri province YanYao, SarmChoog village village No. 9 6 July 2005 avi 10 3 3 7 ... SuphanBuri province BanPoh,
Muangvillage village No. 2 7 July 2005 avi 44 22 22 22 ... Description of affected populations in the new outbreaks: native poultry and fighting cocks in villages. The biosecurity is minimal.
Diagnosis:
Laboratories where diagnosis was made Diagnostic tests used Results National Institute of Animal Health, DLD - agar-gel precipitation test;
- haemagglutination test;
- pathogen isolation by egg inoculation;
- intracerebral pathogenicity index test.
positive Source of outbreaks or origin of infection: unknown or inconclusive.
Control measures undertaken:
- stamping out;
- quarantine;
- movement control inside the country;
- screening;
- zoning;
- disinfection of infected premises/establishments.
Treatment of affected animals: no.
Vaccination prohibited: yes.
Other details/comments: the case findings resulted from the second nationwide active surveillance campaign, being conducted from 1 to 31 July 2005. The purpose of this surveillance is to evaluate the present status of highly pathogenic avian influenza after the second wave of outbreaks (between 3 July 2004 and 12 April 2005)(1).
(1) The last outbreaks reported previously were published in Disease Information, 18 [16], 109, dated 22 April 2005.
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* *VESICULAR STOMATITIS IN THE UNITED STATES OF AMERICA
Follow-up report No. 10See 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, 31 August 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, 8 July 2005
Information received on 11 July 2005 from Dr Peter Fernandez, Associate Administrator, Animal and Plant Health Inspection Service (APHIS), United States Department of Agriculture (USDA), Washington, DC:
End of previous report period: 3 July 2005 (see Disease Information, 18 [27], 192, dated 8 July 2005).
End of this report period: 10 July 2005.
Precise identification of agent: vesicular stomatitis virus type New Jersey.
Date of first confirmation of the event: 27 April 2005.
Date of start of the event: 16 April 2005.
New outbreaks:
First administrative division Lower administrative division Type of epide-miolo-gical unit Name of the location Date of start of the outbreak Spe-cies Number of animals in the outbreaks susceptible cases deaths destroyed slaugh-tered State of Colorado* Delta County farm Delta 28 June 2005 equ 1 1 0 0 0 State of New Mexico Socorro County farm San Antonio 29 June 2005 bov 9 1 0 0 0 State of New Mexico Socorro County farm San Antonio 29 June 2005 equ 6 1 0 0 0 State of New Mexico Santa Fe County farm Santa Fe 21 June 2005 equ 2 1 0 0 0 State of New Mexico Sandoval County farm Palacitas 25 June 2005 equ 2 1 0 0 0 State of Utah San Juan County farm Mexican Hat 24 June 2005 bov 15 1 0 0 0 State of Utah Uintah County farm Fort Duchesne 24 June 2005 equ 2 1 0 0 0 * On 5 July 2005, the laboratory confirmed the first case of vesicular stomatitis in Colorado in 2005.
Diagnosis:
Laboratory where diagnosis was made Species examined Diagnostic tests used Date Results National Veterinary Services Laboratories, Ames, Iowa equ - virus isolation;
- competitive ELISA(1).
5 July 2005 positive equ, bov complement fixation test 9 July 2005 positive Source of outbreak or origin of infection: unknown or inconclusive (vectors?).
Control measures undertaken:
- control of arthropods;
- quarantine;
- on-going surveillance activities are being performed by APHIS Veterinary Services and Arizona, Colorado, New Mexico, Texas and Utah State Departments of Agriculture personnel.
Treatment of affected animals: no.
Vaccination prohibited: yes.
(1) ELISA: enzyme-linked immunosorbent assay
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* *CLASSICAL SWINE FEVER IN SOUTH AFRICA
See also: 16 December 2005, 16 September 2005, 19 August 2005, 29 July 2005
(Date of previous outbreak of classical swine fever in South Africa reported to the OIE: 1918).
Immediate notification report
Information received on 12 July 2005 from Dr Botlhe Modisane, Senior Manager of Animal Health, National Department of Agriculture, Pretoria:
Report date: 12 July 2005.
Reason for immediate notification: re-occurrence of a listed disease in a country.
Date of first confirmation of the event: 8 July 2005.
Date of start of the event: 13 June 2005.
Nature of diagnosis: clinical, post-mortem and laboratory.
Details of outbreaks:
First administrative division Lower administrative division Type of epidemio-logical unit Location Latitude Longitude Western Cape province Worcester farm Buffelskraal 33º 26’ 13” S 19º 41’ 50” E Western Cape province Worcester farm Bonne Esperance 33º 27’ 58” S 19º 41’ 11” E
Species Total number of animals in the outbreaks susceptible cases deaths destroyed slaughtered sui 6,500 1,110 1,110 #1,048 0 # partial data
Description of affected population: pigs of the Landrace breed.
Diagnosis:
Laboratory where diagnosis was made Diagnostic tests used Date Results Onderstepoort Veterinary Institute, Pretoria ELISA (enzyme-linked immunosorbent assay) 8 July 2005 positive Samples are being submitted to the OIE Reference Laboratories in Weybridge (United Kingdom) and Hanover (Germany) for virus typing.
Source of outbreaks or origin of infection: unknown or inconclusive.
Control measures undertaken:
- quarantine;
- stamping out;
a. Buffelskraal: stamping out of all pigs started on 8 July 2005 and was completed on 10 July 2005. Pigs were buried in trenches and covered with lime;
b. Bonne Esperance: stamping out started on 12 July 2005;
- no exports of pigs and pig products are allowed from the infected area;
- movement control inside the country;
- disinfection of infected premises/establishments.
Vaccination prohibited: yes.
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