Report type: immediate notification
Started: 22 Feb 2022
Confirmed: 24 Feb 2022
Reported: 25 Feb 2022
Reason for notification: recurrence
Last occurrence: 22 Mar 2019
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, necropsy, laboratory
This event pertains to the whole country.

New outbreaks (1):
Outbreak location: Kathmandu, Bagmati, central
Started: 22 Feb 2022
Ended: 25 Feb 2022
Epidemiological unit: other
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
House crow (_Corvus splendens_): Corvidae-Passeriformes / 120 / 15 /
15 / 0 / 0 / 0
Affected population: there was a sudden death of 15 crows in a bamboo
tree area of the affected location. Proper cleaning and disinfection
of the premises were done with the burial of dead crows.
Post-operative surveillance is ongoing.

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive
Epidemiological comments: there was a sudden death of 15 crows in a
bamboo tree area of the affected location.

Control measures applied in domestic: movement control inside the
country; quarantine; surveillance outside containment and or the
protection zone; surveillance within containment and or the protection
zone; official disposal of carcasses, by-products, and waste; official
destruction of animal products; disinfection

Control measures applied in wild: disinfection; official disposal of
carcasses, by-products, and waste; movement control inside the
country

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Central veterinary laboratory (CVL), Tripureshwor (national
laboratory) / House crow / 1 / real-time reverse transcription
polymerase chain reaction (rRT-PCR) / 24 Feb 2022 / positive