Report type: immediate notification
Started: 6 Jan 2022
Confirmed: 11 Feb 2022
Reported: 18 Feb 2022
Reason for notification: new strain in the country
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, necropsy, laboratory
This event pertains to a defined zone within the country.

Outbreak location 1: San Antonio, Mexico, Pampanga
Started: 11 Feb 2022
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 14 290 / 13 / 4522 / 9768 / 0 / 0
Affected population: backyard quail farm

Outbreak location 2: Dalayap, Candaba, Pampanga
Started: 21 Jan 2022
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 47 000 / 24 / 27 694 / 19 306 / 0 / 0
Affected population: commercial quail farm

Outbreak location 3: Mangga, Candaba, Pampanga
Started: 27 Jan 2022
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 10 040 / 6 / 10 029 / 11 / 0 / 0
Affected population: commercial quail farm.

Outbreak location 4: Barangca, Baliuag, Bulacan
Started: 6 Jan 2022
Epidemiological unit: farm
Total animals affected:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 6950 / 55 / 0 / 6950 / 0 / 0
Affected population: one commercial duck farm
Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

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

Control measures to be applied in wild: surveillance outside
containment and or the protection zone; surveillance within
containment and or the protection zone

Diagnostic test results
Laboratory name and type / Species / Outbreaks / Test / Test date /
Result
Animal Disease Diagnosis and Reference Laboratory (national
laboratory) / Birds / 4 / real-time polymerase chain reaction
(real-time PCR) / 11 Feb 2022 / positive