Low pathogenic avian influenza (poultry),
Information received on 08/01/2021 from Dr Davide Lecchini, Chief Veterinary Officer, Directorate General for Veterinary Health and Veterinary MedicinalProducts (DGSAF), Ministry of Health, ROME, Italy
Report type Follow-up report No. 2 (Final report)
Date of start of the event 17/11/2020
Date of confirmation of the event 18/11/2020
Report date 08/01/2021
Date submitted to OIE 08/01/2021
Date event resolved 01/12/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 20/06/2020
Manifestation of disease Sub-clinical infection
Causal agent Low pathogenic avian influenza virus
Serotype H5
Nature of diagnosis Laboratory (advanced)
This event pertains to the whole country
Related reports Immediate notification (20/11/2020)
Follow-up report No. 1 (27/11/2020)
Follow-up report No. 2 (08/01/2021)
Outbreaks There are no new outbreaks in this report
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Epidemiological comments The positivity concerns a breeding of Gallus gallus and ducks located in the municipality of Galliavola, in the province of Pavia. So far, positivity has only been confirmed on a serological basis by H5 subtype specific haemagglutination inhibition tests. No clinical signs or increased mortality were reported in this flock. Further investigations and sampling are underway to detect the active circulation of the virus and to identify and characterize the strain responsible for seroconversion. Based on the absence of clinical signs, it is believed that seropositivity can be attributed to an LPAI infection.
Control measures
Measures applied
  • Surveillance within containment and/or protection zone
  • Traceability
  • Official disposal of carcasses, by-products and waste
  • Stamping out
  • 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.