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Cambodia - 3 new outbreaks of low pathogenic avian influenza H7N4 in ducks in live bird markets, Phnom Penh, Prey Veng, Takeo (OIE, March 22, 2019)

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  • Cambodia - 3 new outbreaks of low pathogenic avian influenza H7N4 in ducks in live bird markets, Phnom Penh, Prey Veng, Takeo (OIE, March 22, 2019)

    Low pathogenic avian influenza (poultry),
    Cambodia
    Information received on 22/03/2019 from Dr Sen Sovann, Director General , Ministry of Agriculture, Forestry and Fisheries , General Directorate of Animal Health and Production (GDAHP), Phnom Penh, Cambodia
    Summary
    Report type Immediate notification
    Date of start of the event 24/02/2018
    Date of confirmation of the event 15/02/2019
    Report date 22/03/2019
    Date submitted to OIE 22/03/2019
    Reason for notification New strain of a listed disease in the country
    Causal agent Low pathogenic avian influenza virus
    Serotype H7N4
    Nature of diagnosis Laboratory (advanced)
    This event pertains to a defined zone within the country
    New outbreaks (3)
    Outbreak 1 Orussey market, Orussey 1, 7 Makara, Phnom Penh
    Date of start of the outbreak 24/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Other
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 100 10 0 10 90
    Affected population H7N4 virus was detected in ducks in Orussey live bird market, Phnom Penh city, Cambodia.
    Outbreak 2 Kampong Trobek, Prasat, Kampong Trobek, Prey Veng
    Date of start of the outbreak 24/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Other
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 100 10 0 10 90
    Affected population H7N4 virus was detected in ducks in Prey Veng province through live bird markets surveillance.
    Outbreak 3 Daun Keo market, Rokar Krao, Duan Keo, Takeo
    Date of start of the outbreak 24/02/2018
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Other
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 100 10 0 10 90
    Affected population H7N4 virus was detected in ducks in Takeo province through live bird markets surveillance.
    Summary of outbreaks Total outbreaks: 3
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Birds 300 30 0 30 270
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Birds 10.00% 0.00% 0.00% 100.00%
    *Removed from the susceptible population through death, destruction and/or slaughter
    Epidemiology
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Epidemiological comments Active surveillance conducted in collaboration between National Animal Health and Production Institute (NAHPRI) of the General Directorate of Animal Health and Production (GDAHP), Institut Pasteur du Cambodge and FAO in live bird markets and other high risk sites has identified multiple H7 low pathogenic virus in 2018. The susceptible population in each market was more than 100 and the cases were 1-10 per markets.
    Control measures
    Measures applied
    • Movement control inside the country
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Traceability
    • Zoning
    • Disinfection
    • Slaughter
    • Vaccination prohibited
    • No treatment of affected animals
    Measures to be applied
    • No other measures
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Institute Pasteur du Cambodge (Regional Reference Laboratory) Birds reverse transcription - polymerase chain reaction (RT-PCR) 15/02/2019 Positive
    Future Reporting
    The event is continuing. Weekly follow-up reports will be submitted.
    ...
    "Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
    -Nelson Mandela
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