Varroosis of honey bees,
Swaziland
Information received on 05/09/2018 from Dr Roland Xolani Dlamini, Director of Veterinary and Livestock Services, Veterinary and Livestock Services, Ministry of Agriculture , Mbabane, Swaziland
Summary
Report type Immediate notification
Date of start of the event 21/08/2018
Date of confirmation of the event 04/09/2018
Report date 05/09/2018
Date submitted to OIE 05/09/2018
Reason for notification Recurrence of a listed disease
Date of previous occurrence 23/07/2011
Manifestation of disease Clinical disease
Causal agent Varroa destructor
Nature of diagnosis Clinical
This event pertains to the whole country
New outbreaks (4)
Outbreak 1 Luphala, Shiselweni
Date of start of the outbreak 21/08/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Apiary
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bees (hives) 66 4 0 0 0
Affected population Small scale producer
Outbreak 2 Mahamba, Shiselweni
Date of start of the outbreak 21/08/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Apiary
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bees (hives) 9 1 0 0 0
Affected population Small scale producer
Outbreak 3 Mbondela, Shiselweni
Date of start of the outbreak 21/08/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Apiary
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bees (hives) 33 2 0 0 0
Affected population Small scale producer
Outbreak 4 Sikhunyana, Lubombo
Date of start of the outbreak 28/08/2018
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Apiary
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bees (hives) 29 1 0 0 0
Affected population Small scale producer
Summary of outbreaks Total outbreaks: 4
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Bees (hives) 137 8 0 0 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Bees (hives) 5.84% 0.00% 0.00% 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
Epidemiological comments Mites picked up during surveillance activities conducted for small hive beetle. Mites collected from the hives together with affected bees were then confirmed as Varroa mites in September 2018.
Control measures
Measures applied
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations