Nepal - 1 new outbreak of highly pathogenic avian influenza H5N1 in birds in farm, Morang, Koshi (OIE, September 02, 2019)

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Highly pathogenic avian influenza, Nepal

Information received on 02/09/2019 from Dr Bimal Kumar Nirmal, Director General, Department of Livestock Services, Ministry of Agriculture and Livestock Development, NEPAL, Nepal

Summary Report type Follow-up report No. 2 Date of start of the event 11/06/2019 Date of confirmation of the event 21/06/2019 Report date 02/09/2019 Date submitted to OIE 02/09/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 05/2019 Manifestation of disease Clinical disease Causal agent Highly pathogenic avian influenza virus Serotype H5N1 Nature of diagnosis Clinical, Laboratory (basic), Laboratory (advanced), Necropsy This event pertains to the whole country Related reports Immediate notification (25/06/2019) Follow-up report No. 1 (26/06/2019) Follow-up report No. 2 (02/09/2019)

New outbreaks (1)

Outbreak 1 Kanepokhari-3, Harakpur, Harakpur , Morang, Koshi Date of start of the outbreak 19/08/2019 Outbreak status Resolved (02/09/2019) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 417 195 195 222 0 Affected population Mixed poultry farm with turkeys, backyard chickens, ducks and quails of various age groups

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 417 195 195 222 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 46.76% 46.76% 100.00% 100.00% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Unknown or inconclusive Epidemiological comments Rapid Response Team has been mobilized in the infected area. A total of 64 turkeys, 55 ducks, 85 backyard laying hens, 18 quails, 400 kg poultry feed and 1,500 kg feed ingredients have been destroyed and disposed of by the team. Stamping out, cleaning and disinfection are completed. Post-operative surveillance outside the containment zone is ongoing.

Control measures Measures applied Movement control inside the country Surveillance outside containment and/or protection zone Traceability 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 Central Veterinary Laboratory, Tripureshwor (National laboratory) Birds rapid tests 30/08/2019 Positive Central Veterinary Laboratory, Tripureshwor (National laboratory) Birds real-time PCR 30/08/2019 Positive

Future Reporting The event is continuing. Weekly follow-up reports will be submitted.

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