Information received on 29/11/2020 from Dr Ali Safar Maken Ali, Head, Iran Veterinary Organization (IVO), Ministry of Jihad-e- Agriculture, Tehran, Iran
Summary
Report type
Follow-up report No. 1
Date of start of the event
19/11/2020
Date of confirmation of the event
20/11/2020
Report date
29/11/2020
Date submitted to OIE
29/11/2020
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
04/02/2018
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic influenza A virus
Serotype
H5N8
Nature of diagnosis
Clinical, Laboratory (basic), Necropsy
This event pertains to
the whole country
Related reports
Immediate notification (23/11/2020)
Follow-up report No. 1 (29/11/2020)
New outbreaks (1)

Outbreak 1
Mil-Mughan lagoon, Ardebil
Date of start of the outbreak
25/11/2020
Outbreak status
Resolved (26/11/2020)
Epidemiological unit
Natural park
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae)

2
2
0
0
Affected population
Probably wild migratory birds coming from the north.
Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Whooper Swan:Cygnus cygnus(Anatidae)

2
2
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Whooper Swan:Cygnus cygnus(Anatidae)
**
**
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
Contact with wild species
Epidemiological comments
1 - The event was reported based on Iran Veterinary Organization HPAI epidemio-surveillance program. 2 - The aim is to close the event; in the protection zone and surveillance zone trace back and trace forward activities are ongoing.

Control measures
Measures applied
Screening
Quarantine
Official disposal of carcasses, by-products and waste
Disinfection
Vaccination permitted (if a vaccine exists)
No treatment of affected animals
Measures to be applied
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Zoning
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
Central Veterinary Laboratory of Iran Veterinary Organization (National laboratory)
Whooper Swan
real-time PCR
28/11/2020
Positive
provincial Veterinary Laboratory of Quilan (Private Laboratory)
Whooper Swan
real-time PCR
25/11/2020
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.