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

Summary

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

Epidemiology

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.