Giuseppe
Emeritus
Highly pathogenic avian influenza, Vietnam
Information received on 14/07/2008 from Mr Bui Quang Anh, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, HANOI, Vietnam
? Summary
Report type Follow-up report No. 20
Start date 07/12/2006
Date of first confirmation of the event 19/12/2006
Report date 14/07/2008
Date submitted to OIE 14/07/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 10/08/2006
Causal agent Highly pathogenic avian influenza virus Serotype H5N1
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (19/12/2006)
Follow-up report No. 1 (04/01/2007)
Follow-up report No. 2 (17/01/2007)
Follow-up report No. 3 (27/02/2007)
Follow-up report No. 4 (23/03/2007)
Follow-up report No. 5 (02/04/2007)
Follow-up report No. 6 (17/05/2007)
Follow-up report No. 7 (24/05/2007)
Follow-up report No. 8 (07/06/2007)
Follow-up report No. 9 (05/07/2007)
Follow-up report No. 10 (14/09/2007)
Follow-up report No. 11 (11/10/2007)
Follow-up report No. 12 (31/10/2007)
Follow-up report No. 13 (12/11/2007)
Follow-up report No. 14 (07/01/2008)
Follow-up report No. 15 (01/02/2008)
Follow-up report No. 16 (23/02/2008)
Follow-up report No. 17 (12/03/2008)
Follow-up report No. 18 (01/04/2008)
Follow-up report No. 19 (23/04/2008)
Follow-up report No. 20 (14/07/2008)
? New outbreaks
* Outbreak 1 - Truong Chinh Ward, Truong Chinh Ward, Son La Town, SON LA
Date of start of the outbreak 22/04/2008
Outbreak status Resolved (14/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 135 - 95 - 95 - 40 - 0
* Outbreak 2 - Tan Binh, Tan Binh, Tan Thanh, LONG AN
Date of start of the outbreak 02/05/2008
Outbreak status Resolved (23/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 90 - 90 - 910 - 0
Affected population The infected ducks had been administered the first vaccination shot against avian influenza, but not the booster shot.
* Outbreak 3 - Village No. 11, Hung Trung, Hung Nguyen, NGHE AN
Date of start of the outbreak 26/05/2008
Outbreak status Resolved (17/06/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 944 - 500 - 350 - 594 - 0
Affected population Unvaccinated two-month-old ducks.
* Outbreak 4 - Village No. 7, Cam Trung, Cam Xuyen, HA TINH
Date of start of the outbreak 24/05/2008
Outbreak status Resolved (15/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 650 - 400 - 380 - 270 - 0
Affected population Unvaccinated two-month-old ducks.
* Outbreak 5 - Truong Tho B, Truong Long, Phong Dien, CAN THO CITY
Date of start of the outbreak 25/04/2008
Outbreak status Resolved (21/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1960 - 1131 - 1131 - 829 - 0
Affected population Unvaccinated birds.
* Outbreak 6 - Binh Bac, Tinh Binh, Son Tinh, QUANG NGAI
Date of start of the outbreak 18/06/2008
Outbreak status Resolved (09/07/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 340 - 55 - 15 - 325 - 0
Affected population Unvaccinated chickens.
* Outbreak 7 - Hoi Thanh, Xuan Hiep, Tra On, VINH LONG
Date of start of the outbreak 24/04/2008
Outbreak status Resolved (15/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 400 - 300 - 300 - 100 - 0
Affected population Unvaccinated four-month-old chicken flock.
* Outbreak 8 - Tan Quy, Truong Lac, O Mon, CAN THO CITY
Date of start of the outbreak 17/05/2008
Outbreak status Resolved (15/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2550 - 500 - 500 - 2050 - 0
* Outbreak 9 - My Danh, Tinh Hiep, So Tinh, QUANG NGAI
Date of start of the outbreak 12/06/2008
Outbreak status Resolved (03/07/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 717 - 570 - 120 - 597 - 0
Affected population Unvaccinated village chickens and ducks.
* Outbreak 10 - Khom 2, Tieu Can, Tieu Can Town, TRA VINH
Date of start of the outbreak 05/05/2008
Outbreak status Resolved (26/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 500 - 500 - 500 - 0
* Outbreak 11 - Luong Hoa A, Luong Hoa A, Chau Thanh, TRA VINH
Date of start of the outbreak 26/05/2008
Outbreak status Resolved (18/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 450 - 150 - 150 - 300 - 0
Affected population Unvaccinated free-ranging ducks.
* Outbreak 12 - Nguyet Thuong, Phuong Thanh, Cang Long, TRA VINH
Date of start of the outbreak 24/06/2008
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1350 - 1000 - 1000 - 350 - 0
Affected population Unvaccinated ducks.
* Outbreak 13 - Village No. 4, Tan Tay, Thanh Hoa, LONG AN
Date of start of the outbreak 01/05/2008
Outbreak status Resolved (22/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 200 - 200 - 800 - 0
Affected population A field running unvaccinated duck flock.
* Outbreak 14 - Ngai Hoa, Phuoc Hao, Chau Thanh, TRA VINH
Date of start of the outbreak 06/05/2008
Outbreak status Resolved (27/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 720 - 350 - 350 - 370 - 0
* Outbreak 15 - Tan Hieo A, Tan Hiep A, Tan Hiep, KIEN GIANG
Date of start of the outbreak 25/05/2008
Outbreak status Resolved (17/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 1000 - 900 - 100 - 0
Affected population Unvaccinated chickens.
? Summary of outbreaks
Total outbreaks: 15
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 14216 - 6841 - 6081 - 8135 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 48.12% - 42.78% - 88.89% - 100.00%
* Removed from the susceptible population through death, destruction and/or slaughter
? Epidemiology
Source of the outbreak(s) or origin of infection Introduction of new live animals
Illegal movement of animals
Fomites (humans, vehicles, feed, etc.)
? Control measures
Measures applied Quarantine
Movement control inside the country
Disinfection of infected premises/establishment(s)
Modified stamping out
No vaccination
No treatment of affected animals
Measures to be applied Screening
Zoning
Vaccination in response to the outbreak (s)
? Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
-
http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=7188
------
Information received on 14/07/2008 from Mr Bui Quang Anh, Chief Veterinary Officer, Department of Animal Health, Ministry of Agriculture and Rural Development, HANOI, Vietnam
? Summary
Report type Follow-up report No. 20
Start date 07/12/2006
Date of first confirmation of the event 19/12/2006
Report date 14/07/2008
Date submitted to OIE 14/07/2008
Reason for notification Reoccurrence of a listed disease
Date of previous occurrence 10/08/2006
Causal agent Highly pathogenic avian influenza virus Serotype H5N1
Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (19/12/2006)
Follow-up report No. 1 (04/01/2007)
Follow-up report No. 2 (17/01/2007)
Follow-up report No. 3 (27/02/2007)
Follow-up report No. 4 (23/03/2007)
Follow-up report No. 5 (02/04/2007)
Follow-up report No. 6 (17/05/2007)
Follow-up report No. 7 (24/05/2007)
Follow-up report No. 8 (07/06/2007)
Follow-up report No. 9 (05/07/2007)
Follow-up report No. 10 (14/09/2007)
Follow-up report No. 11 (11/10/2007)
Follow-up report No. 12 (31/10/2007)
Follow-up report No. 13 (12/11/2007)
Follow-up report No. 14 (07/01/2008)
Follow-up report No. 15 (01/02/2008)
Follow-up report No. 16 (23/02/2008)
Follow-up report No. 17 (12/03/2008)
Follow-up report No. 18 (01/04/2008)
Follow-up report No. 19 (23/04/2008)
Follow-up report No. 20 (14/07/2008)
? New outbreaks
* Outbreak 1 - Truong Chinh Ward, Truong Chinh Ward, Son La Town, SON LA
Date of start of the outbreak 22/04/2008
Outbreak status Resolved (14/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 135 - 95 - 95 - 40 - 0
* Outbreak 2 - Tan Binh, Tan Binh, Tan Thanh, LONG AN
Date of start of the outbreak 02/05/2008
Outbreak status Resolved (23/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 90 - 90 - 910 - 0
Affected population The infected ducks had been administered the first vaccination shot against avian influenza, but not the booster shot.
* Outbreak 3 - Village No. 11, Hung Trung, Hung Nguyen, NGHE AN
Date of start of the outbreak 26/05/2008
Outbreak status Resolved (17/06/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 944 - 500 - 350 - 594 - 0
Affected population Unvaccinated two-month-old ducks.
* Outbreak 4 - Village No. 7, Cam Trung, Cam Xuyen, HA TINH
Date of start of the outbreak 24/05/2008
Outbreak status Resolved (15/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 650 - 400 - 380 - 270 - 0
Affected population Unvaccinated two-month-old ducks.
* Outbreak 5 - Truong Tho B, Truong Long, Phong Dien, CAN THO CITY
Date of start of the outbreak 25/04/2008
Outbreak status Resolved (21/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1960 - 1131 - 1131 - 829 - 0
Affected population Unvaccinated birds.
* Outbreak 6 - Binh Bac, Tinh Binh, Son Tinh, QUANG NGAI
Date of start of the outbreak 18/06/2008
Outbreak status Resolved (09/07/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 340 - 55 - 15 - 325 - 0
Affected population Unvaccinated chickens.
* Outbreak 7 - Hoi Thanh, Xuan Hiep, Tra On, VINH LONG
Date of start of the outbreak 24/04/2008
Outbreak status Resolved (15/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 400 - 300 - 300 - 100 - 0
Affected population Unvaccinated four-month-old chicken flock.
* Outbreak 8 - Tan Quy, Truong Lac, O Mon, CAN THO CITY
Date of start of the outbreak 17/05/2008
Outbreak status Resolved (15/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2550 - 500 - 500 - 2050 - 0
* Outbreak 9 - My Danh, Tinh Hiep, So Tinh, QUANG NGAI
Date of start of the outbreak 12/06/2008
Outbreak status Resolved (03/07/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 717 - 570 - 120 - 597 - 0
Affected population Unvaccinated village chickens and ducks.
* Outbreak 10 - Khom 2, Tieu Can, Tieu Can Town, TRA VINH
Date of start of the outbreak 05/05/2008
Outbreak status Resolved (26/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 500 - 500 - 500 - 0
* Outbreak 11 - Luong Hoa A, Luong Hoa A, Chau Thanh, TRA VINH
Date of start of the outbreak 26/05/2008
Outbreak status Resolved (18/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 450 - 150 - 150 - 300 - 0
Affected population Unvaccinated free-ranging ducks.
* Outbreak 12 - Nguyet Thuong, Phuong Thanh, Cang Long, TRA VINH
Date of start of the outbreak 24/06/2008
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1350 - 1000 - 1000 - 350 - 0
Affected population Unvaccinated ducks.
* Outbreak 13 - Village No. 4, Tan Tay, Thanh Hoa, LONG AN
Date of start of the outbreak 01/05/2008
Outbreak status Resolved (22/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 200 - 200 - 800 - 0
Affected population A field running unvaccinated duck flock.
* Outbreak 14 - Ngai Hoa, Phuoc Hao, Chau Thanh, TRA VINH
Date of start of the outbreak 06/05/2008
Outbreak status Resolved (27/05/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 720 - 350 - 350 - 370 - 0
* Outbreak 15 - Tan Hieo A, Tan Hiep A, Tan Hiep, KIEN GIANG
Date of start of the outbreak 25/05/2008
Outbreak status Resolved (17/06/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 1000 - 900 - 100 - 0
Affected population Unvaccinated chickens.
? Summary of outbreaks
Total outbreaks: 15
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 14216 - 6841 - 6081 - 8135 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 48.12% - 42.78% - 88.89% - 100.00%
* Removed from the susceptible population through death, destruction and/or slaughter
? Epidemiology
Source of the outbreak(s) or origin of infection Introduction of new live animals
Illegal movement of animals
Fomites (humans, vehicles, feed, etc.)
? Control measures
Measures applied Quarantine
Movement control inside the country
Disinfection of infected premises/establishment(s)
Modified stamping out
No vaccination
No treatment of affected animals
Measures to be applied Screening
Zoning
Vaccination in response to the outbreak (s)
? Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
-
http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=7188
------