Anthrax,
Namibia
Information received on 12/11/2018 from Dr Adrianatus Florentius Maseke, Chief Veterinary Officer, Veterinary Services, Ministry of Agriculture, Water and Forestry, Windhoek, Namibia
Summary
Report type Immediate notification
Date of start of the event 25/10/2018
Date of confirmation of the event 01/11/2018
Report date 12/11/2018
Date submitted to OIE 12/11/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 13/02/2018
Manifestation of disease Clinical disease
Causal agent Bacillus anthracis
Nature of diagnosis Clinical, Laboratory (basic)
This event pertains to a defined zone within the country
New outbreaks (3)
Outbreak 1 Omiriu, Opuwo, Sesfontein, Kunene
Date of start of the outbreak 25/10/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Goats 537 25 23 2
Outbreak 2 Oruhona, Opuwo, Sesfontein, Kunene
Date of start of the outbreak 25/10/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Village
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Cattle 100 2 2
Outbreak 3 Bwabwata, Rundu, Omega, Kavango East
Date of start of the outbreak 25/10/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Natural park
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
African buffalo (Cape buffalo):Syncerus caffer(Bovidae) 25 25
Summary of outbreaks Total outbreaks: 3
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Goats 537 25 23 2
Cattle 100 2 2
African buffalo (Cape buffalo):Syncerus caffer(Bovidae) 25 25
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Goats 4.66% 4.28% 92.00% **
Cattle 2.00% 2.00% 100.00% **
African buffalo (Cape buffalo):Syncerus caffer(Bovidae) ** ** 100.00% **
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • Persistent spores in the environment from last year's (2017) outbreak at Bwatata National Park
Control measures
Measures applied
  • Vaccination in response to the outbreak (s)
  • Surveillance within containment and/or protection zone
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Selective killing and disposal
  • Disinfection
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Central Veterinary Laboratory (National laboratory) African buffalo (Cape buffalo) bacteriological examination 01/11/2018 Positive
Central Veterinary Laboratory (National laboratory) Goats bacteriological examination 01/11/2018 Positive
Central veterinary laboratory (National laboratory) Cattle bacteriological examination 01/11/2018 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations