Nepal - 1 new outbreak of highly pathogenic avian influenza H5N1 in commercial ducks in farm, Kathmandu, Bagmati (OIE, April 29, 2019)

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Highly pathogenic avian influenza, Nepal

Information received on 29/04/2019 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. 5 Date of start of the event 14/02/2019 Date of confirmation of the event 06/03/2019 Report date 29/04/2019 Date submitted to OIE 29/04/2019 Reason for notification Recurrence of a listed disease Date of previous occurrence 10/09/2018 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 (17/03/2019) Follow-up report No. 1 (24/03/2019) Follow-up report No. 2 (31/03/2019) Follow-up report No. 3 (04/04/2019) Follow-up report No. 4 (13/04/2019) Follow-up report No. 5 (29/04/2019)

New outbreaks (1)

Outbreak 1 Kageshwori, Manahara, Bhadrabas, Kathmandu, Bagmati Date of start of the outbreak 23/04/2019 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Farm Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 500 190 190 310 0 Affected population Commercial ducks of different age group (52 weeks, 21 weeks and 4 weeks old)

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Birds 500 190 190 310 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Birds 38.00% 38.00% 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

Control measures Measures applied Movement control inside the country Surveillance outside containment and/or protection zone Traceability Quarantine Official destruction of animal products 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 26/04/2019 Positive Central veterinary Laboratory, Tripureshwor (National laboratory) Birds real-time PCR 26/04/2019 Positive

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

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