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Taiwan: 2022-2024 Bird flu HP H5N1, H5N2, H5N5 in poultry

Translation Google

H5N1 altitude sickness avian influenza confirmed at Chiayi Dalin Goose Breeding Farm, poultry farmers are requested to take strict precautions

112-12-20

The Animal and Plant Inspection and Quarantine Service (PDIP) stated today (20th) that the Veterinary Research Institute informed that a goose farm (voluntarily notified) in Dalin Town, Chiayi County was diagnosed with H5N1 subtype highly pathogenic avian influenza. According to standard operating procedures, Chiayi The county livestock disease prevention and control office carried out the culling and destruction of 6,638 20-month-old breeding geese, and supervised the operators to complete the cleaning and disinfection of the farm area.
...
The National Weather Service pointed out that according to the forecast of the Meteorological Administration, today's cold wave will hit, and the temperatures will be very cold in the morning and evening in various places today and tomorrow. The Department's 6th migratory bird migration warning meeting last week also predicted that a wave of winter migratory birds will arrive in Taiwan with the cold wave. Since October, 4 cases of highly pathogenic avian influenza in laying hen farms and 59 cases of migratory (wild) birds have appeared in Japan, a country upstream of China's migratory bird route, and 20 cases of poultry farms and 4 cases of highly pathogenic avian influenza in migratory (wild) birds have appeared in South Korea. , the risk of avian influenza viruses being introduced into China's poultry farms through the migration of migratory (wild) birds has increased, and poultry farmers are requested to take more precautions.
...
Contact person: Xu Rongbin, deputy director of the National Prevention and Inspection Administration Tel: 0223431464

https://www.aphia.gov.tw/theme_data.php?theme=NewInfoListWS&id=21204
 
Source: https://udn.com/news/story/7266/7674804

Tainan chicken farm infected with H5N1 bird flu, 11,449 native chickens culled
2023-12-29 19:08 United Daily News / Reporter
Zhuang Yaocong
Bird flu was reported at a local chicken farm in Madou, Tainan. The Nan City Animal Protection Office completed the culling and disinfection of chickens today and is closely monitoring the follow-up situation. Photo/Provided by Nanshi Agriculture Bureau

The Animal Protection Department of Nanshi City recently received a report from a local chicken farm in Madou District that the chickens in the farm were dying abnormally. On the same day, they sent personnel to conduct epidemic investigation and movement control. After sampling and testing, they were confirmed to be highly pathogenic of the H5N1 subtype. To prevent the spread of bird flu, the Animal Welfare Department culled all 11,449 native chickens in the site today, transported them to the incinerator for destruction, and disinfected the entire site to prevent the spread of the disease.

The Animal Welfare Department stated that sampling and monitoring will be implemented at 15 poultry farms within a radius of 1 kilometer around the native chicken farm, and 66 poultry farms within 1 to 3 kilometers will be visited and inspected. Sampling and monitoring of related farms of case poultry farms will be implemented to simultaneously strengthen Control the abnormal number of deaths in chemical manufacturing plants, inspect the cleaning and disinfection of chemical manufacturing vehicles, and strengthen the frequency of disinfection of surrounding public areas to minimize the amount of viruses in the environment.

The Animal Welfare Department pointed out that the global avian influenza epidemic is approaching fiercely. Cases of highly pathogenic avian influenza have been found in poultry farms and in migratory birds in countries upstream of migratory bird routes. Most winter migratory birds have arrived in Taiwan, and there is also the H5N1 subtype in China. Cases of highly pathogenic avian influenza in poultry farms and migratory (wild) birds show that the current risk of invasion by overseas avian influenza viruses is quite high.

The Animal Welfare Department stated that due to the recent cold wave, low temperature and humidity can easily cause cold stress, leading to a decrease in the immunity of poultry. Poultry farmers are reminded to do a good job in cold insulation and strengthen epidemic prevention work, and strictly control people and vehicles. Personnel, vehicles (including transporting poultry) Vehicles, egg trucks, chemical trucks, feed trucks, etc.), transportation vehicles (transport cages, egg boxes, egg trays, etc.) and equipment entering and exiting should be thoroughly disinfected, and holes in the bird-proof fence of the poultry house should be repaired to prevent poultry from being exposed to the virus. Contact with migratory (wild) birds reduces the chance of virus invasion.

The Animal Welfare Department calls on poultry farmers who find that poultry on the farm have symptoms such as depression, loss of appetite, decreased egg production, or abnormal death, they should immediately report it to the Animal Welfare Department and take necessary measures according to the guidance of epidemic prevention personnel...​
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 2


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5370

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/11/22

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2023/11/17

CONFIRMATION DATE
2023/11/25

EVENT STATUS
On-going

END DATE - SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 2

REPORT ID
FUR_164970

REPORT REFERENCE - REPORT DATE
2024/01/19

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
The samples from Miaoli County, Chiayi County and Tainan City were sent to the National Laboratory, Veterinary Research Institute (VRI), for diagnosis. Highly pathogenic avian influenza H5N1 subtype was confirmed by VRI. The infected farms have been placed under movement restriction. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out. Surrounding poultry farms within 3 km radius of the infected farms are under intensified surveillance for three months.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW25119462846282049100TOTAL639507968796 85598200

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test, Clinical
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds52023/11/242023/12/28Positive
Gene sequencingVeterinary Research Institute (VRI), MOABirds52023/11/252023/12/29Positive
​https://wahis.woah.org/#/in-review/5370
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 3


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5370

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/11/22

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2023/11/17

CONFIRMATION DATE
2023/11/25

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 3

REPORT ID
FUR_165790

REPORT REFERENCE- REPORT DATE
2024/02/20

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
The samples from Yunlin County were sent to the National Laboratory, Veterinary Research Institute (VRI), for diagnosis. Highly pathogenic avian influenza H5N1 subtype was confirmed by VRI. The infected farms have been placed under movement restriction. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farms are under intensified surveillance for three months.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW27465206720272543800TOTAL914151003599 958142000

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test, Clinical
Gene sequencingVeterinary Research Institute (VRI), MOABirds102023/11/252024/02/01Positive
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds102023/11/242024/01/31Positive
​https://wahis.woah.org/#/in-review/5370
 
Source: https://www.taiwannews.com.tw/en/news/5102077


Bird flu outbreak requires culling of 12,794 chickens in Tainan
Poultry farms subject to more inspections and disinfection
By Sean Scanlan, Taiwan News, Staff Writer
2024/02/25 10:58

​TAIPEI (Taiwan News) — A chicken farm in Tainan’s Jiali District was infected with an H5N1 subtype of bird flu, requiring the culling of 12,794 chickens on Saturday (Feb. 24).

Tainan City Animal Health Inspection and Protection Office sent personnel to carry out the culling and sanitation of the farm. It was the second outbreak in Jiali District this year, as an adjacent farm was disinfected on Tuesday (Feb. 20), per Liberty Times.​..
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 4


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5370

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/11/22

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2023/11/17

CONFIRMATION DATE
2023/11/25

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 4

REPORT ID
FUR_166725

REPORT REFERENCE- REPORT DATE
2024/04/09

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
The samples from Nantou County, Pingtung County, Taoyuan City, Yunlin County, Changhua County, Taichung City and Tainan City were sent to the National Laboratory, Veterinary Research Institute (VRI), for diagnosis. Highly pathogenic avian influenza H5N1 subtype was confirmed by VRI. The infected farms have been placed under movement restriction. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farms are under intensified surveillance for three months.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW31708070963709522459282000TOTAL408495 80998809473273482000

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test, Clinical
Gene sequencingVeterinary Research Institute (VRI), MOABirds322023/11/252024/03/21Positive
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds322023/11/242024/03/20Positive
​https://wahis.woah.org/#/in-review/5370
 
[FONT=微软雅黑]16,825 chickens at Xuejia Chicken Farm in Tainan City were culled after confirmed cases of avian influenza[/FONT]


[FONT=微软雅黑] 2024-04-16 10:54:29[/FONT]

Huaxia Jingwei.com, April 16: According to Taiwan's "China Times News Network", the Animal Protection Department of the Tainan City Government received reports on the 12th that there were abnormal deaths of laying hens in the local chicken farm in Xuejia District, and it was diagnosed as H5N1 subtype. After the outbreak of highly pathogenic avian influenza, the Animal Protection Department completed the culling of 16,825 eggs on the 15th and destroyed the eggs on the premises. All were transported to the incinerator for destruction and the entire site was disinfected. This is the sixth case of avian influenza in Tainan so far this year. Case.
The Animal Welfare Department stated that it has conducted sampling and monitoring of 6 poultry farms within a radius of 1 kilometer around the culling site, and visited and inspected 42 poultry farms within 1 to 3 kilometers. At the same time, it has strengthened the management and control of abnormal numbers of dead animals in the culling farms and continued to dispatch dispatches. Disinfection trucks increase the frequency of disinfection of public areas around the culling site to minimize viruses in the environment.
The Animal Welfare Department stated that now is the season for migratory and wild birds to return north, and local cases of avian influenza have occurred sporadically in Taiwan. So far this year, a total of 30 cases of avian influenza have occurred in Taiwan, indicating that there is still a threat of avian influenza viruses in the environment, coupled with the large temperature difference between day and night. , can easily cause poultry stress, and we call on poultry farmers to be more vigilant and strengthen epidemic prevention work to reduce the chance of virus invasion.

z​https://www.huaxia.com/c/2024/04/16/1909229.shtml
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 5


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5370

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/11/22

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2023/11/17

CONFIRMATION DATE
2023/11/25

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 5

REPORT ID
FUR_167304

REPORT REFERENCE- REPORT DATE
2024/05/16

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
Samples from Yunlin County, Chiayi County, Taipei City, Changhua County, and Tainan City were sent to the National Laboratory, Veterinary Research Institute (VRI), for diagnosis. Highly pathogenic avian influenza H5N1 subtype was confirmed by VRI. The infected farms have been placed under movement restrictions. All animals on the infected farms have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farms are under intensified surveillance for three months.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW130376121961219311818300TOTAL53887193 194931404455312000
\
DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Clinical, Diagnostic test
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds392023/11/242024/04/14Positive
Gene sequencingVeterinary Research Institute (VRI), MOABirds392023/11/252024/04/15Positive
https://wahis.woah.org/#/in-review/5370


NEW OUTBREAKS

OB_134541 - 2024-TN-7 - XUEJIA DIST.

OB_134540 - 2024-TN-6 - HOUBI DIST.

OB_134539 - 2024-CH-3 - FANGYUAN TOWNSHIP

OB_134538 - 2024-TP-1 - WANHUA DIST.

OB_134537 - 2024-CY-2 - MINXIONG TOWNSHIP

OB_134536 - 2024-YL-16 - BAOZHONG TOWNSHIP

OB_134535 - 2024-YL-15 - CITONG TOWNSHIP​
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 6


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5370

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/11/22

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2023/11/17

CONFIRMATION DATE
2023/11/25

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 6

REPORT ID
FUR_167792

REPORT REFERENCE- REPORT DATE
2024/06/19

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
The samples from Yunlin County were sent to the National Laboratory, Veterinary Research Institute (VRI), for diagnosis. Highly pathogenic avian influenza H5N1 subtype was confirmed by VRI. The infected farm has been placed under movement restriction. All animals on the infected farm have been culled. Thorough cleaning and disinfection have been conducted after stamping out operation. Surrounding poultry farms within 3 km radius of the infected farms are under intensified surveillance for three months.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW5722223500TOTAL5389289321693162445566 2000

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Clinical, Diagnostic test
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds402023/11/242024/05/23Positive
Gene sequencingVeterinary Research Institute (VRI), MOABirds402023/11/252024/05/24Positive
​https://wahis.woah.org/#/in-review/5370
 
Chinese Taipei - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Immediate notification


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5764

DISEASE
High pathogenicity avian influenza viruses (poultry) (Inf. with)

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/06/29

REASON FOR NOTIFICATION
Recurrence of an eradicated strain

DATE OF LAST OCCURRENCE
2024/06/25

CONFIRMATION DATE
2024/07/04

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Immediate notification

REPORT ID
IN_168261

REPORT REFERENCE
2024-HPAIpoultry-1

REPORT DATE
2024/07/19

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
This outbreak indicates the recurrence of highly pathogenic avian influenza (HPAI) H5N1 subtype (clade 2.3.4.4b) in two poultry farms in Chinese Taipei. The owner of these two farms reported the situation to the local veterinary authority in Yunlin County, and samples were collected on June 29. The samples were sent to the National Reference Laboratory for diagnosis on July 1. Clinical signs included increased mortality rates, reduced appetite, and decreased egg production. The outbreak was confirmed as HPAI on July 4. Subsequently, 43,602 chickens were culled, and comprehensive cleaning and disinfection were conducted on July 6. Farms within a 3-kilometer radius of this location will undergo heightened surveillance for the next 28 days.

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW53140953895384360200TOTAL531409538953 84360200

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Reverse transcription-polymerase chain reaction (RT-PCR)Veterinary Research Institute (VRI), MOABirds22024/07/032024/07/03Positive
Gene sequencingVeterinary Research Institute (VRI), MOABirds22024/07/042024/07/04Positive
​https://wahis.woah.org/#/in-review/5764
 
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​https://wahis.woah.org/#/in-review/5764
 
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