Infectious hypodermal and haematopoietic necrosis,
United Kingdom
Information received on 14/01/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Report type Follow-up report No. 2 (Final report)
Date of start of the event 15/07/2019
Date of confirmation of the event 13/08/2019
Report date 13/01/2020
Date submitted to OIE 14/01/2020
Date event resolved 12/12/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent Infectious hypodermal haematopoietic necrosis virus
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (19/08/2019)
Follow-up report No. 1 (28/08/2019)
Follow-up report No. 2 (13/01/2020)
Outbreaks There are no new outbreaks in this report
Source of the outbreak(s) or origin of infection
  • Introduction of new live animals
  • Legal movement of animals
Epidemiological comments Stirlingshire- All effluents were treated and final discharge was collected and also treated. The animals were culled on 16 July 2019, immediately after suspicion of IHHNV and the site has been disinfected.The case can be closed. Lincolnshire site - The final phase of the stock clearance and site disinfection was carried out on the 18th December under supervision of the Competent Authority, completing the three part staged clearance and disinfection of the premises. Further to this restocking has begun with SPF post larval shrimp certified as free from IHHNV. Each consignment has been inspected and sampled on arrival by the Competent Authority with 150 animals collected from each and tested by PCR for IHHNV according to OIE methods, all tests were confirmed as negative for IHHNV. The outbreak can now be closed.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance within infected and/or protection zone
  • Traceability
  • Quarantine
  • Official disposal of carcasses, by-products and waste
  • Selective killing and disposal
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is resolved. No more reports will be submitted.