Information received on 17/02/2021 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Summary
Report type
Follow-up report No. 2
Date of start of the event
13/12/2020
Date of confirmation of the event
18/12/2020
Report date
17/02/2021
Date submitted to OIE
17/02/2021
Reason for notification
New strain of a listed disease in the country
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N1
Nature of diagnosis
Laboratory (basic), Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (18/12/2020)
Follow-up report No. 1 (22/12/2020)
Follow-up report No. 2 (17/02/2021)
New outbreaks (1)

Outbreak 1 (AIV 2021/03)
Nr Leven, Fife, Scotland
Date of start of the outbreak
06/02/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds

14030
6030
8000
0
Affected population
Game rearing premises. Total of 11000 pheasants, 3000 partridges and 30 guinea fowl.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds

14030
6030
8000
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
**
**
42.98%
**
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive
Epidemiological comments
Ongoing epidemiological investigation. Deep gene sequencing now completed - H5N1 - same genotype as current European outbreaks 2.3.4.4.b clade. Latest outbreak is of the same genotype as current European outbreaks and previous outbreak of H5N1.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Traceability
Official destruction of animal products
Official disposal of carcasses, by-products and waste
Selective killing and disposal
Zoning
Vaccination prohibited
No treatment of affected animals
Measures to be applied
Disinfection
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Weybridge (OIE Reference Laboratory)
Birds
gene sequencing
12/02/2021
Positive
Weybridge (OIE Reference Laboratory)
Birds
reverse transcription - polymerase chain reaction (RT-PCR)
11/02/2021
Positive
Weybridge (OIE Reference Laboratory)
Birds
virus isolation
12/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.