Giuseppe
Emeritus
Highly pathogenic avian influenza,Vietnam [WAHID Interface - OIE]
Highly pathogenic avian influenza,Vietnam
Information received on 30/09/2008 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. 21
Start date 07/12/2006
Date of first confirmation of the event 19/12/2006
Report date 30/09/2008
Date submitted to OIE 30/09/2008
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)
* Follow-up report No. 21 (30/09/2008)
? New outbreaks
* Outbreak 1 - Tan Hoa, Tan Nhuan Dong, Chau Thanh, DONG THAP
Date of start of the outbreak 14/07/2008
Outbreak status: Resolved (06/08/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 500 - 350 - 350 - 150 - 0
Affected population unvaccinated village chickens.
* Outbreak 2 - Village No. 9, Nghi Phuong, Nghi Loc, NGHE AN
Date of start of the outbreak 18/07/2008
Outbreak status Resolved (10/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 750 - 230 - 190 - 560 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 3 - An Thuan, My An Hung B, Lap Vo, DONG THAP
Date of start of the outbreak 27/07/2008
Outbreak status Resolved (21/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 200 - 110 - 890 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 4 - Thoi Quan, Thoi Quan, Go Quao, KIEN GIANG
Date of start of the outbreak 29/07/2008
Outbreak status Resolved (20/08/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 612 - 380 - 300 - 312 - 0
Affected population unvaccinated village chickens.
* Outbreak 5 - An Loi, An Binh Tay, Ba Tri, BEN TRE
Date of start of the outbreak 05/08/2008
Outbreak status Resolved (30/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2865 - 1960 - 905 - 1960 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 6 - Phu Ngai, Phu Ngai, Ba Tri, BEN TRE
Date of start of the outbreak 18/08/2008
Outbreak status Resolved (10/09/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 350 - 287 - 713 - 0
Affected population unvaccinated village ducks.
* Outbreak 7 - An Loi, An Binh Tay, Ba Tri, BEN TRE
Date of start of the outbreak 06/09/2008
Outbreak status Resolved (27/09/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 300 - 294 - 6 - 294 - 0
Affected population unvaccinated village ducks.
* Outbreak 8 - Binh An Noi, Binh Chanh, Binh Son, QUANG NGAI
Date of start of the outbreak 26/07/2008
Outbreak status Resolved (18/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 220 - 150 - 70 - 150 - 0
Affected population unvaccinated ducks.
* Outbreak 9 - Khanh Hai, Khanh Hai, Tran Van Thoi, CA MAU
Date of start of the outbreak 18/09/2008
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 500 - 120 - 57 - 443 - 0
Affected population unvaccinated 45-day-old ducks.
? Summary of outbreaks
Total outbreaks: 9
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 7747 - 4034 - 2275 - 5472 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 52.07% - 29.37% - 56.40% - 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.
--
<cite cite="http://www.oie.int/wahid-prod/public.php?page=single_report&pop=1&reportid=7385">WAHID Interface - OIE World Animal Health Information Database</cite>Information received on 30/09/2008 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. 21
Start date 07/12/2006
Date of first confirmation of the event 19/12/2006
Report date 30/09/2008
Date submitted to OIE 30/09/2008
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)
* Follow-up report No. 21 (30/09/2008)
? New outbreaks
* Outbreak 1 - Tan Hoa, Tan Nhuan Dong, Chau Thanh, DONG THAP
Date of start of the outbreak 14/07/2008
Outbreak status: Resolved (06/08/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 500 - 350 - 350 - 150 - 0
Affected population unvaccinated village chickens.
* Outbreak 2 - Village No. 9, Nghi Phuong, Nghi Loc, NGHE AN
Date of start of the outbreak 18/07/2008
Outbreak status Resolved (10/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 750 - 230 - 190 - 560 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 3 - An Thuan, My An Hung B, Lap Vo, DONG THAP
Date of start of the outbreak 27/07/2008
Outbreak status Resolved (21/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 200 - 110 - 890 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 4 - Thoi Quan, Thoi Quan, Go Quao, KIEN GIANG
Date of start of the outbreak 29/07/2008
Outbreak status Resolved (20/08/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 612 - 380 - 300 - 312 - 0
Affected population unvaccinated village chickens.
* Outbreak 5 - An Loi, An Binh Tay, Ba Tri, BEN TRE
Date of start of the outbreak 05/08/2008
Outbreak status Resolved (30/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 2865 - 1960 - 905 - 1960 - 0
Affected population unvaccinated village chickens and ducks.
* Outbreak 6 - Phu Ngai, Phu Ngai, Ba Tri, BEN TRE
Date of start of the outbreak 18/08/2008
Outbreak status Resolved (10/09/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 1000 - 350 - 287 - 713 - 0
Affected population unvaccinated village ducks.
* Outbreak 7 - An Loi, An Binh Tay, Ba Tri, BEN TRE
Date of start of the outbreak 06/09/2008
Outbreak status Resolved (27/09/2008)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 300 - 294 - 6 - 294 - 0
Affected population unvaccinated village ducks.
* Outbreak 8 - Binh An Noi, Binh Chanh, Binh Son, QUANG NGAI
Date of start of the outbreak 26/07/2008
Outbreak status Resolved (18/08/2008)
Epidemiological unit Village
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 220 - 150 - 70 - 150 - 0
Affected population unvaccinated ducks.
* Outbreak 9 - Khanh Hai, Khanh Hai, Tran Van Thoi, CA MAU
Date of start of the outbreak 18/09/2008
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 500 - 120 - 57 - 443 - 0
Affected population unvaccinated 45-day-old ducks.
? Summary of outbreaks
Total outbreaks: 9
Total animals affected: Species - Susceptible - Cases - Deaths - Destroyed - Slaughtered
* Birds - 7747 - 4034 - 2275 - 5472 - 0
Outbreak statistics: Species - Apparent morbidity rate - Apparent mortality rate - Apparent case fatality rate - Proportion susceptible animals lost*
* Birds - 52.07% - 29.37% - 56.40% - 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.
--