Highly pathogenic avian influenza,
Information received on 11/06/2017 from Dr Unesu Hildah Ushewokunze-Obatolu, Principal Director, , Department of Livestock and Veterinary Services, Harare, Zimbabwe
Report type Follow-up report No. 1
Date of start of the event 17/05/2017
Date of confirmation of the event 01/06/2017
Report date 11/06/2017
Date submitted to OIE 11/06/2017
Date event resolved 21/11/2017
Reason for notification New strain of a listed disease in the country
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (01/06/2017)
Follow-up report No. 1 (11/06/2017)
Follow-up report No. 2 (19/06/2017)
Follow-up report No. 3 (30/06/2017)
Follow-up report No. 4 (10/07/2017)
Follow-up report No. 5 (17/07/2017)
Follow-up report No. 6 (24/07/2017)
Follow-up report No. 7 (07/08/2017)
Follow-up report No. 8 (29/08/2017)
Follow-up report No. 9 (13/09/2017)
Follow-up report No. 10 (21/11/2017)
Outbreaks There are no new outbreaks in this report
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The disease has spread to two additional self-contained units within Lanark farm in addition to the one reported in the initial notification report bringing the total number of sites affected to three out of eight. The second site had 43,000 birds and the third had 48,000 birds. All three affected sites are broiler parentsí sites that are under one management. It is suspected that the spread to the other two sites was through sharing of equipment and vehicles between the sites prior to detection of disease. All birds on the two additional sites have been destroyed and buried on site. Litter from the affected sites is also being disposed of by burying on site. Intensified surveillance for HPAI throughout the country is ongoing. To date a total of 843 samples have been collected from 12 commercial poultry farms and have tested negative for H5 and H7 on serology and PCR.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Traceability
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Zoning
  • Disinfection
  • Vaccination prohibited
  • 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.