Anthrax,
Botswana
Information received on 15/05/2019 from Dr Letlhogile Modisa, Director, Veterinary Services, Ministry of Agriculture, Gaborone, Botswana
Summary
Report type Immediate notification
Date of start of the event 09/05/2019
Date of confirmation of the event 15/05/2019
Report date 15/05/2019
Date submitted to OIE 15/05/2019
Reason for notification Recurrence of a listed disease
Date of previous occurrence 30/09/2015
Manifestation of disease Clinical disease
Causal agent Bacillus anthracis
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 MANDABUZA, CHOBE WEST, CHOBE, Chobe
Date of start of the outbreak 09/05/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
African Elephant:Loxodonta africana(Elephantidae) 100000 2 2 0 0
Affected population Elephants free ranging in a National park
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
African Elephant:Loxodonta africana(Elephantidae) 100000 2 2 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
African Elephant:Loxodonta africana(Elephantidae) 0.00% 0.00% 100.00% 0.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • contaminated water sources
Epidemiological comments Two sudden deaths were reported by the Department of Wildlife and National Parks in free ranging elephants in Chobe National Park. Both of them had signs of blood tinged fluid oozing from the orifices. Surveillance is on-going and further reports will be submitted.
Control measures
Measures applied
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Surveillance within containment and/or protection zone
  • Official disposal of carcasses, by-products and waste
Diagnostic test results
Laboratory name and type Species Test Test date Result
Botswana National Veterinary Laboratory (National laboratory) African Elephant microscopic examination 15/05/2019 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations