Information received on 01/02/2021 from Dr Atul Chaturvedi, Secretary, Department of Animal Husbandry and Dairying, Ministry of Fisheries, Animal Husbandry and Dairying, New Delhi, India
Summary
Report type
Follow-up report No. 1
Date of start of the event
21/12/2020
Date of confirmation of the event
04/01/2021
Report date
01/02/2021
Date submitted to OIE
01/02/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
30/09/2020
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virus
Serotype
H5N8
Nature of diagnosis
Laboratory (advanced)
This event pertains to
a defined zone within the country
Related reports
Immediate notification (09/01/2021)
Follow-up report No. 1 (01/02/2021)
New outbreaks (1)

Outbreak 1
Kainakary, Champakulam, Alappuzha, Kerala
Date of start of the outbreak
08/01/2021
Outbreak status
Continuing (or date resolved not provided)
Epidemiological unit
Farm
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1247
600
599
648

Summary of outbreaks
Total outbreaks: 1
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Birds
1247
600
599
648

Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Birds
48.12%
48.04%
99.83%
**
*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
The event is detected in ducks.

Control measures
Measures applied
Movement control inside the country
Surveillance outside containment and/or protection zone
Surveillance within containment and/or protection zone
Quarantine
Official disposal of carcasses, by-products and waste
Stamping out
Disinfection
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
National Institute of High Security Animal Diseases (OIE Reference Laboratory)
Birds
real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)
18/01/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.