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Liberia - 1 new outbreak of Anthrax in cattle, Grand Bassa (OIE, October 5, 2020)

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  • Liberia - 1 new outbreak of Anthrax in cattle, Grand Bassa (OIE, October 5, 2020)

    Information received on 05/10/2020 from Dr Joseph R. N. Anderson, Director of Livestock/Veterinary Services, Animal Health Services, Ministry of Agriculture, Monrovia, Liberia
    Report type Immediate notification
    Date of start of the event 29/09/2020
    Date of confirmation of the event 29/09/2020
    Report date 05/10/2020
    Date submitted to OIE 05/10/2020
    Reason for notification First occurrence of a listed disease
    Manifestation of disease Clinical disease
    Causal agent B. anthracis
    Nature of diagnosis Laboratory (basic)
    This event pertains to a defined zone within the country
    New outbreaks (1)
    Outbreak 1 Fairground Community, District # 3, Buchanan City, Grand Bassa
    Date of start of the outbreak 29/09/2020
    Outbreak status Continuing (or date resolved not provided)
    Epidemiological unit Other
    Affected animals
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Cattle 5 1 1 0 0
    Affected population A very small-scale production system where the breeding stocks are purchased in Monrovia (Country Capital) from cattle traders. The cattle traders import live cattle from neighbouring countries. The cattle are raised in semi-free-range system in a residential environment of the county capital, Buchanan, Grand Bassa County. The farmer carries the animals on the field for grazing during the day and a shelter is provided at night. Additionally, there is no treatment or vaccination regimen for the animals.
    Summary of outbreaks Total outbreaks: 1
    Total animals affected
    Species Susceptible Cases Deaths Killed and disposed of Slaughtered
    Cattle 5 1 1 0 0
    Outbreak statistics
    Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
    Cattle 20.00% 20.00% 100.00% 20.00%
    *Removed from the susceptible population through death, destruction and/or slaughter
    Source of the outbreak(s) or origin of infection
    • Unknown or inconclusive
    Epidemiological comments A one health investigation was immediately initiated to prevent human infections. Additionally, cattle are imported for breeding from neighbouring countries and limited inspections are done due to low trained Veterinary Paraprofessionals at Entry points.
    Control measures
    Measures applied
    • Surveillance outside containment and/or protection zone
    • Surveillance within containment and/or protection zone
    • Traceability
    • Quarantine
    • Official disposal of carcasses, by-products and waste
    • Zoning
    • Disinfection
    • Vaccination permitted (if a vaccine exists)
    • No treatment of affected animals
    Measures to be applied
    • Screening
    Diagnostic test results
    Laboratory name and type Species Test Test date Result
    Leon Quist Ledlum Central Veterinary Diagnostic Laboratory (National laboratory) Cattle Smears evaluation 29/09/2020 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