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Bulgaria: 2023-2026 Bird flu in poultry

Shiloh

Shiloh

Editor, Senior Moderator
Source: https://sofiaglobe.com/2023/01/25/bird-flu-bulgaria-to-destroy-25-000-quail-birds-and-eggs/


Bird flu: Bulgaria to destroy 25,000 quail birds and eggs
January 25, 2023 The Sofia Globe staff

About 25,000 quail birds and eggs will be destroyed after an outbreak of avian influenza was confirmed at a farm in Etropole, the Bulgarian Food Safety Agency said.

Samples were taken after a high rate of deaths of birds at the site.

The birds and eggs will be humanely destroyed and the remains will be disposed of under official supervision and in a way that prevents the spread of the disease, the agency said.

A three-kilometre safety zone has been declared around the site, including the town of Etropole.
 
Bulgaria - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Immediate notification

GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
OIE-listed

EVENT ID
4891

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/01/24

REASON FOR NOTIFICATION
New strain in a zone or a compartment

DATE OF LAST OCCURRENCE
-

CONFIRMATION DATE
2023/01/24

EVENT STATUS
Resolved

END DATE
2023/01/29

SELF-DECLARATION
NO

REPORT INFORMATION
REPORT NUMBER
Immediate notification

REPORT ID
IN_159189

REPORT REFERENCE
01/2003

REPORT DATE
2023/02/07

REPORT STATUS
Validated

NO EVOLUTION REPORT
-

EPIDEMIOLOGY
SOURCE OF EVENT OR ORIGIN OF INFECTION
Unknown or inconclusive

EPIDEMIOLOGICAL COMMENTS
No epidemiological comment
...

NEW OUTBREAKS
OB_113561 - ETROPOLE
OUTBREAK REFERENCE
-

START DATE
2023/01/24

END DATE
2023/01/29

DETAILED CHARACTERISATION
-

FIRST ADMINISTRATIVE DIVISION
Sofia

SECOND ADMINISTRATIVE DIVISION
Etropole

THIRD ADMINISTRATIVE DIVISION
-

EPIDEMIOLOGICAL UNIT
Farm

LOCATION
Etropole

Latitude, Longitude
42.829 , 23.981

OUTBREAKS IN CLUSTER
-

MEASURING UNIT
Animal

AFFECTED POPULATION DESCRIPTION
HPAI was confirmed in a quail farm.

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated
Birds (DOMESTIC) NEW 26000 2500 2500 23500 0 0
TOTAL 26000 2500 2500 23500 0 0
...
https://wahis.woah.org/#/in-review/4891
 
Bulgaria - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Immediate notification [FINAL]

GENERAL INFORMATION
COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
OIE-listed

EVENT ID
5001

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2023/03/30

REASON FOR NOTIFICATION
First occurrence in a zone or a compartment

DATE OF LAST OCCURRENCE
-

CONFIRMATION DATE
2023/03/30

EVENT STATUS
Resolved

END DATE
2023/03/31

SELF-DECLARATION
NO

REPORT INFORMATION
REPORT NUMBER
Immediate notification

REPORT ID
IN_160261

REPORT REFERENCE
-

REPORT DATE
2023/04/03

REPORT STATUS
Validated

NO EVOLUTION REPORT
-

EPIDEMIOLOGY
SOURCE OF EVENT OR ORIGIN OF INFECTION
Unknown or inconclusive

EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

...

NEW OUTBREAKS

OB_116826 - BULGARIA
OUTBREAK REFERENCE
-

START DATE
2023/03/30

END DATE
2023/03/31

DETAILED CHARACTERISATION
Clade 2.3.4.4b; Lineage: Fully Eurasian

FIRST ADMINISTRATIVE DIVISION
Veliko Tarnovo

SECOND ADMINISTRATIVE DIVISION
Veliko Tarnovo

THIRD ADMINISTRATIVE DIVISION
-

EPIDEMIOLOGICAL UNIT
Backyard

LOCATION
Bulgaria

Latitude, Longitude
43.0791 , 25.3568

(Approximate location)
OUTBREAKS IN CLUSTER
-

MEASURING UNIT
Animal

AFFECTED POPULATION DESCRIPTION
-

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated
Birds (DOMESTIC) NEW 33 24 24 9 - -
TOTAL 33 24 24 9 - -

...

https://wahis.woah.org/#/in-review/5001
 
Source: https://seenews.com/news/bulgaria-reports-bird-flu-outbreak-on-industrial-farm-837680


Bulgaria reports bird flu outbreak on industrial farm
Author Antonia Kokalova-Gray
Published Oct 25, 2023 12:20 EEST

SOFIA

​October 25 (SeeNews) - The Bulgarian Food Safety Agency has confirmed an outbreak of bird flu on a commercial egg production farm in the town of Debelets, in the northern region of Veliko Tarnovo.

All infected and contact birds will be culled on the farm where around 395,000 hens are reared, the agency said in a statement on Tuesday.​..
 
Source: https://english.news.cn/europe/20231116/2dda412fa971449dafeaf00af1e136ac/c.html

Bird flu hits 20 pct of egg-laying poultry in Bulgaria: official
Source: Xinhua| 2023-11-16 01:43:00|Editor: huaxia

SOFIA, Nov. 15 (Xinhua) -- Bird flu outbreaks have hit 20 percent of egg-laying poultry in Bulgaria within the last 20 days, an official said here on Wednesday.

Bulgaria's Deputy Minister of Agriculture and Food Deyan Stratev said at a press conference that seven outbreaks of highly pathogenic avian influenza have been detected in the regions of Veliko Tarnovo, Pazardjik, Haskovo and Dobrich.

"As many as 1.2 million birds were affected, or this is 20 percent of all egg-laying poultry in the country," Stratev said.

Authorities have taken all necessary measures to stop the spread of the disease in the country's farms, the minister added...


​
 
Bulgaria - 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
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE - SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Immediate notification

REPORT ID
IN_165306

REPORT REFERENCE - REPORT DATE
2024/01/26

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT


Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW177506001775000TOTAL177506001775000

DIAGNOSTIC DETAILS

CLINICAL SIGNS
NO

METHOD OF DIAGNOSTIC


Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 1


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE - SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 1

REPORT ID
FUR_165582

REPORT REFERENCE- REPORT DATE
2024/02/07

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW8725200872500TOTAL264758002647500

DIAGNOSTIC DETAILS

CLINICAL SIGNS
NO

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria - 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
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 2

REPORT ID
FUR_165936

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
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW544441551355430900TOTAL80919235135807 8400

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria - 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
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 3

REPORT ID
FUR_166229

REPORT REFERENCE- REPORT DATE
2024/03/03

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW398121021023971000TOTAL12073133723712 049400

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES
\
METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria - 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
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION


NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 4

REPORT ID
FUR_166468

REPORT REFERENCE- REPORT DATE
2024/03/13

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW126368001263600TOTAL13336741723713313 000

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria - 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
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION


NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 5

REPORT ID
FUR_166708

REPORT REFERENCE- REPORT DATE
2024/03/28

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW860546826828537200TOTAL21942110999192 1850200

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​https://wahis.woah.org/#/in-review/5520
 
Bulgaria: Bird Flu Outbreak in Livestock Facility in Asenovgrad

BULGARIAN NEWS AGENCY​
SOFIA,
17.04.2024 18:20
(BTA)​
DESISLAVA TONCHEVA​

The Bulgarian Food Safety Agency (BFSA) discovered an outbreak of Influenza A (flu) in a poultry farm in the town of Asenovgrad, Plovdiv region. About 154,000 birds were bred at the site, the BFSA said on Wednesday.

A 3-kilometre safety zone has been defined around the affected livestock facility, which includes the following settlements in the Plovdiv region: Asenovgrad Municipality (Asenovgrad and Boyantsi); Sadovo Municipality (Mominsko). ...

In order to limit the disease and prevent its spread, actions will be taken to humanely kill the infected and contact birds on the site. ...

https://www.bta.bg/en/news/economy/655478-bird-flu-outbreak-in-livestock-facility-in-asenovgrad
 
ulgaria - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 7


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 7

REPORT ID
FUR_167073

REPORT REFERENCE- REPORT DATE
2024/04/23

REPORT STATUS
Validated

NO EVOLUTION REPORT

EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal

SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW15389315015015375100TOTAL795001170915 2979347200

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
https://wahis.woah.org/#/in-review/5520


NEW OUTBREAKS

OB_134225 - SADOVO PLOVDIV​
 
Bulgaria - High pathogenicity avian influenza viruses (poultry) (Inf. with) - Follow up report 8


GENERAL INFORMATION

COUNTRY/TERRITORY OR ZONE
ZONE

ANIMAL TYPE
TERRESTRIAL

DISEASE CATEGORY
Listed disease

EVENT ID
5520

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

CAUSAL AGENT
Highly pathogenic avian influenza virus

GENOTYPE / SEROTYPE / SUBTYPE
H5N1

START DATE
2024/01/08

REASON FOR NOTIFICATION
Recurrence of an eradicated disease

DATE OF LAST OCCURRENCE
2023/03/31

CONFIRMATION DATE
2024/01/11

EVENT STATUS
On-going

END DATE- SELF-DECLARATION

NO REPORT INFORMATION

REPORT NUMBER
Follow-up report 8

REPORT ID
FUR_167092

REPORT REFERENCE- REPORT DATE
2024/05/12

REPORT STATUS
Validated

NO EVOLUTION REPORT
EPIDEMIOLOGY

SOURCE OF EVENT OR ORIGIN OF INFECTION
  • Unknown or inconclusive
EPIDEMIOLOGICAL COMMENTS
No epidemiological comment

QUANTITATIVE DATA SUMMARY

MEASURING UNIT
Animal
SpeciesSusceptibleCasesDeathsKilled and Disposed ofSlaughtered/ Killed for commercial useVaccinated Birds (DOMESTIC)NEW81006060804000TOTAL803101176915898015 1200

DIAGNOSTIC DETAILS

CLINICAL SIGNS
YES

METHOD OF DIAGNOSTIC
Diagnostic test
Real-time multiplex polymerase chain reaction (Real-time multiplex PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/05/102024/05/10Positive
Real-time polymerase chain reaction (real-time PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds22024/01/112024/01/11Positive
Polymerase chain reaction (PCR)National Reference Laboratory for avian influenza and Newcastle disease, BGRBirds12024/01/242024/01/24Positive
​
 
Bulgaria - Bird Flu Situation in Yambol Region Remains Risky after October Outbreak

Event category Biological origin - Epidemic (animal) Source
Source link Severity High
​
​2024-12-07 14:29:09
Last update (UTC) 2024-12-07 14:29:10
Area range City / district wide event
City / district wide event Address/Affected area(s). Bolyarsko, Obshina Tundzha, Oblast Yambol

The situation with the spread of bird flu in Yambol region remains risky, Dr. Stoyan Kolev of the regional directorate of the Food Safety Agency told BTA. More than 350,000 birds were culled due to the disease in an industrial poultry farm near the village of Bolyarsko in October and November.

The outbreak has been eliminated and samples in a 10 km sanitary zone, including ten villages, were negative. However, the situation is still complicated, said Kolev. "As the virus affects farm populations, farmers should protect their farms with biological protection. The infection is transmitted through vehicles," he said.
Wild birds are also among the risk factors for the transmission of highly pathogenic avian influenza. The avian virus is not dangerous for humans, but it leads to huge economic losses for industrial farms, the veterinarian reminded. A few years ago, more than 100,000 birds were destroyed in industrial farms and private farms in Yambol Region due to outbreaks of the disease.​

https://rsoe-edis.org/eventList/details/772436/0​
 
image.png
​https://wahis.woah.org/#/in-review/5948
 
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