Report type: immediate notification
Started: 2 Feb 2022
Confirmed: 16 Feb 2022
Reported: 25 Feb 2022
Reason for notification: recurrence
Date of previous recurrence: 30 Sep 2020
Manifestation of disease: clinical disease
Causal agent: Highly pathogenic avian influenza virus
Serotype: H5N1
Nature of diagnosis: clinical, laboratory
This event pertains to a defined zone within the country.

New outbreaks (3)
Outbreak location 1: Vatar, Vasai, Palghar, Maharashtra
Started: 10 Feb 2022
Epidemiological unit: farm
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 1390 / 518 / 518 / 872 / - /-

Outbreak location 2: Vehloli, Vashind, Shahapur, Thane, Maharashtra
Started: 2 Feb 2022
Epidemiological unit: farm
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 24 126 / 309 / 309 / 23 817 / - /-

Outbreak location 3: Agashi (Arnala), Vasai, Palghar, Maharashtra
Started: 10 Feb 2022
Epidemiological unit: farm
Affected animals:
Species / Susceptible / Cases / Deaths / Killed and disposed of /
Slaughtered or killed for commercial use / Vaccinated
Birds / 2792 / 549 / 549 / 2243 / - /-

Epidemiology
Source of the outbreak(s) or origin of infection: unknown or
inconclusive

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

Diagnostic test results
Laboratory name and type / Species / Test / Test date / Result
National Institute of High Security Animal Diseases (NIHSAD), Bhopal,
India (OIE reference laboratory) / birds / real-time reverse
transcription polymerase chain reaction (rRT-PCR) / 13 Feb 2022 /
positive
National Institute of High Security Animal Diseases (NIHSAD), Bhopal,
India (OIE reference laboratory) / birds / real-time reverse
transcription polymerase chain reaction (rRT-PCR) / 16 Feb 2022 /
positive