OIE: Highly pathogenic influenza A viruses (infection with H5N8) (non-poultry including wild birds), China

Summary
Report type: immediate notification
Started: 11 Jun 2021
Confirmed: 17 Jun 2021
Reported: 24 Jun 2021
Reason for notification: 1st occurrence in a zone or a compartment
Causal agent: highly pathogenic avian influenza virus
Serotype: H5N8
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: Nanhu area, Majiatan Town, Lingwu, Yinchuan,Ningxia Hui
Started: 11 Jun 2021
Epidemiological unit: other
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Black-necked grebe (_Podiceps nigricollis_):
Podicipedidae-Procellariiformes / - / 38 / 38 / 0 / 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 outside containment
and/or the protection zone; zoning

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
Harbin National Avian Influenza Reference Laboratory (OIE reference
laboratory) / black-necked grebe / virus isolation / 11-20 Jun 2021 /
positive
Harbin National Avian Influenza Reference Laboratory (OIE reference
laboratory) / black-necked grebe / real-time reverse
transcription-polymerase chain reaction (rRT-PCR) / 11-17 Jun 2021 /
positive