Summary
Report type: immediate notification
Started on: 12 Mar 2021
Confirmed on: 26 Mar 2021
Reported on: 28 Mar 2020
Reason for notification: Recurrence
Last occurrence: 7 Jan 2020
Causal agent: Low pathogenic avian influenza virus
Serotype: H5N3
Nature of diagnosis: laboratory
This event pertains to a defined zone within the country.

New outbreaks (1)
Summary of outbreaks:
Total outbreaks: 1
Outbreak location 1: Cheshire West and Chester, England
Started on: 12 Mar 2021
Epidemiological unit: farm
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered-killed for commercial use / Vaccinated
Birds / 4540 / - / 01 / 0 / 0 / 0
Affected population: Turkey breeder flock

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive
Epidemiological comments: Ongoing epidemiological investigation.

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

Diagnostic test results
Laboratory name and type: Animal and Plant Health Agency (APHA)
Weybridge, United Kingdom (OIE Reference Laboratory)
Species / Test / Test date / Result
Birds / Real-time multiplex polymerase chain reaction (Real-time
multiplex PCR)/ 26 Mar 2021 / positive
Birds / gene sequencing / 27 Mar 2021 / positive