Information received on 31/08/2017 from Prof. Dr. Romano Marabelli, Chief Veterinary Officer, Secretary General, Ministry of Health, Rome, Italy


Summary

Report type Follow-up report No. 24
Date of start of the event 20/01/2017
Date of confirmation of the event 21/01/2017
Report date 31/08/2017
Date submitted to OIE 31/08/2017
Reason for notification Recurrence of a listed disease
Date of previous occurrence 17/01/2015
Manifestation of disease Clinical disease
Causal agent Highly pathogenic avian influenza virus
Serotype H5N8
Nature of diagnosis Clinical, Laboratory (advanced)
This event pertains to a defined zone within the country



New outbreaks (2)



Outbreak 1 (HPAI_PV_2017_34) Monticelli Pavese, PAVIA, LOMBARDIA
Date of start of the outbreak 25/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Backyard
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 25 6 6

Affected population The positivity regards a backyard farm.



Outbreak 2 (HPAI_VR_2017_35) San Pietro di Morubio, VERONA, VENETO
Date of start of the outbreak 28/08/2017
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10700 3879 121 10579 0

Affected population The positivity regards a farm of fattening turkeys.



Summary of outbreaks Total outbreaks: 2
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 10725 3885 127 10579 0

Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 36.22% 1.18% 3.27% **

*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information


Epidemiology

Source of the outbreak(s) or origin of infection Unknown or inconclusive

Epidemiological comments The National Reference Laboratory has sequenced HPAI subtype H5N8. A protection zone of 3 km and a surveillance zone of 10 km have been established.



Control measures

Measures applied Movement control inside the country
Screening
Traceability
Official disposal of carcasses, by-products and waste
Stamping out
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
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds polymerase chain reaction (PCR) 28/08/2017 Positive
Experimental Zooprophylactic Institute (IZSVe), Padova (National laboratory) Birds real-time PCR 25/08/2017 Positive


Future Reporting

The event is continuing. Weekly follow-up reports will be submitted.