Summary
Report type
Immediate notification
Date of start of the event
22/12/2020
Date of confirmation of the event
06/01/2021
Report date
11/01/2021
Date submitted to OIE
11/01/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
20/03/2017
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
New outbreaks (1)

Outbreak 1
Szom骴, Komarom-Esztergom
Date of start of the outbreak
22/12/2020
Outbreak status
Resolved (23/12/2020)
Epidemiological unit
Natural park
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Great Egret:Ardea alba(Ardeidae)

1
1


Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Great Egret:Ardea alba(Ardeidae)

1
1


Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Great Egret:Ardea alba(Ardeidae)
**
**
100.00%
**
*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
A great egret (Ardea alba) was found dead on the 22nd of December 2020 in Kom醨om-Esztergom county around the locality of Szom骴. The bird was sent to the National Reference Laboratory where the H5N8 was confirmed by PCR. The sequencing could be performed only on the 6th of January, thereby the highly pathogenic avian influenza H5N8 was confirmed on this date.

Control measures
Measures applied
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Veterinary Diagnostic Directorate (National laboratory)
Great Egret
nucleotide sequencing
06/01/2021
Positive
Veterinary Diagnostic Directorate (National laboratory)
Great Egret
real-time PCR
06/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.