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

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[TD="align: left"]Anthrax,
Liberia[/TD]
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[TD]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[/TD]
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[TD]Summary

[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]29/09/2020[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]29/09/2020[/TD]

[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]05/10/2020[/TD]

[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]05/10/2020[/TD]

[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]First occurrence of a listed disease[/TD]

[TD="width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Clinical disease[/TD]

[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]B. anthracis[/TD]

[TD="width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (basic)[/TD]

[TD="width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]

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[TD]New outbreaks (1)[/TD]
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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.

[TD="align: left"]Outbreak 1[/TD]

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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%

[TD="align: left"]Summary of outbreaks[/TD]

[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]

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[TD]Epidemiology

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.

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[TD]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

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[TD]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

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[TD]Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.

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https://www.oie.int/wahis_2/public/...?page_refer=MapFullEventReport&reportid=35989