Infectious hypodermal and haematopoietic necrosis,
United Kingdom
Information received on 18/12/2020 from Dr Christine Middlemiss, Chief Veterinary Officer, DEFRA, Department for Environment,Food and Rural Affairs , London, United Kingdom
Report type Follow-up report No. 1
Date of start of the event 30/10/2020
Date of confirmation of the event 03/12/2020
Report date 18/12/2020
Date submitted to OIE 18/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 12/2019
Manifestation of disease Clinical disease
Causal agent Infectious hypodermal and haematopoietic necrosis virus
Nature of diagnosis Laboratory (basic), Laboratory (advanced)
This event pertains to a defined zone within the country
Related reports Immediate notification (04/12/2020)
Follow-up report No. 1 (18/12/2020)
Outbreaks There are no new outbreaks in this report
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments With the exception of one movements of live animals to a fully enclosed, bio-secure facility, which took place prior to the start of the investigation there have been no movements of live animals from this facility. The site produces animals for human consumption only, the animals leave the site as raw product, on ice UPDATE 18/12/2020: At present the disease is sufficiently stable, but culling and disinfection will not be fully completed until January 2021. The site is fully bio-secure. In the meantime a thorough epidemiological investigation is ongoing to determine the source of this outbreak. No further Follow up reports will be send until the culling and disinfection is final.
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance within infected and/or protection zone
  • Traceability
  • Quarantine
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • Disinfection
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.