Highly pathogenic influenza A viruses (infection with) (non-poultry including wild birds),
Belgium
Information received on 13/07/2017 from Dr Jean-François Heymans, Director, Animal Health and Safety of Products of Animal Origin, Federal Agency for the Safety of the Food Chain (FASFC), Bruxelles, Belgium
Summary
Report type Follow-up report No. 6
Date of start of the event 22/05/2017
Date of confirmation of the event 01/06/2017
Report date 12/07/2017
Date submitted to OIE 13/07/2017
Date event resolved 12/07/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 28/03/2017
Manifestation of disease Clinical disease
Causal agent Highly pathogenic influenza A virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (02/06/2017)
Follow-up report No. 1 (15/06/2017)
Follow-up report No. 2 (19/06/2017)
Follow-up report No. 3 (21/06/2017)
Follow-up report No. 4 (27/06/2017)
Follow-up report No. 5 (05/07/2017)
Follow-up report No. 6 (12/07/2017)
Follow-up report No. 7 (24/07/2017)
New outbreaks (2)
Outbreak 1 Wangenies, Fleurus, HAINAUT
Date of start of the outbreak 29/06/2017
Outbreak status Resolved (12/07/2017)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 78 12 12 66 0
Outbreak 2 Bassenge, LIÈGE
Date of start of the outbreak 07/07/2017
Outbreak status Resolved (12/07/2017)
Epidemiological unit Other
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 19 5 5 14 0
Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 97 17 17 80 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 17.53% 17.53% 100.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Epidemiology
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
  • Contact with wild species
Control measures
Measures applied
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • Control of wildlife reservoirs
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • Disinfection
Diagnostic test results
Laboratory name and type Species Test Test date Result
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds haemagglutination inhibition test (HIT) 27/06/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds nucleotide sequencing 29/06/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds nucleotide sequencing 07/07/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 26/06/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 03/07/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds virus isolation 19/06/2017 Positive
Veterinary and agrochemical Research Center (CERVA) (National laboratory) Birds virus isolation 12/07/2017 Negative
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations