Highly pathogenic avian influenza,
India
Information received on 09/01/2021 from Dr Atul Chaturvedi, Secretary, Department of Animal Husbandry and Dairying, Ministry of Fisheries, Animal Husbandry and Dairying, New Delhi, India
Summary
Report type Immediate notification
Date of start of the event 21/12/2020
Date of confirmation of the event 04/01/2021
Report date 09/01/2021
Date submitted to OIE 09/01/2021
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
New outbreaks (5)
Outbreak 1 Pallippad, Harippad, Alappuzha, Kerala
Date of start of the outbreak 21/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25060 8140 7140 17920
Outbreak 2 Nedumudy, Champakulam, Alappuzha, Kerala
Date of start of the outbreak 22/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 21113 15025 14025 7088
Outbreak 3 Thakazhy, Champakulam, Alappuzha, Kerala
Date of start of the outbreak 22/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 6917 2630 630 6287
Outbreak 4 Karuvatta, Harippad, Alappuzha, Kerala
Date of start of the outbreak 27/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 20413 2750 1750 18663
Outbreak 5 Neendoor, Kaipuzha/Ettumanoor, Kottayam, Kerala
Date of start of the outbreak 28/12/2020
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 9449 1770 1720 7729
Summary of outbreaks Total outbreaks: 5
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 82952 30315 25265 57687
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 36.55% 30.46% 83.34% **
*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. Follow-up reports will be submitted.
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 - Indian Council of Agricultural Research (ICAR) (OIE Reference Laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 04/01/2021 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations