Summary
Report type: Immediate notification
Started: 7 Apr 2021
Confirmed: 11 Apr 2021
Reported: 14 Apr 2021
Reason for notification: New strain in a zone or a compartment
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N6
Nature of diagnosis: Clinical, laboratory
This event pertains to a defined zone within the country.

New outbreaks (1)
Summary of outbreaks
Total outbreaks (1)
Outbreak location 1: Changbaidao Forest Park, Heping District,
Shenyang Shi, Shenyang, Liaoning
Started: 8 Apr 2021
Epidemiological unit: Natural park
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Black swan (_Cygnus atratus_): Anatidae-Anseriformes / 291 / 11 / 11 /
280 / 0 / 0

Epidemiology
Source of the outbreak(s) or origin of infection: Unknown or
inconclusive
Control measures applied: Disinfection; official disposal of
carcasses, by-products, and waste; surveillance within containment
and/or the protection zone; stamping out

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Harbin National Avian Influenza Reference Laboratory (OIE reference
laboratory) / Black swan / Virus isolation / 10 Apr 2021 / Positive
Harbin National Avian Influenza Reference Laboratory (OIE reference
laboratory) / Black swan / Real-time reverse transcription-polymerase
chain reaction (rRT-PCR) / 9 Apr 2021 / Positive