Spring viraemia of carp,
Italy
Information received on 27/07/2020 from Dr Silvio Borrello, Chief Veterinary Officer, Food Safety and Collegial Bodies for Health Protection, Ministère de la Santé, Department for Veterinary Public Health, Rome, Italy
Summary
Report type Immediate notification
Date of start of the event 19/06/2020
Date of confirmation of the event 07/07/2020
Report date 27/07/2020
Date submitted to OIE 27/07/2020
Date event resolved 06/08/2020
Reason for notification Recurrence of a listed disease
Date of previous occurrence 2004
Manifestation of disease Clinical disease
Causal agent Rhabdovirus carpio
Nature of diagnosis Laboratory (advanced), Necropsy
This event pertains to a defined zone within the country
Related reports Immediate notification (27/07/2020)
Follow-up report No. 1 (06/08/2020)
New outbreaks (1)
Outbreak 1 (1_2020_SVC_PD) Carmignano di Brenta, PADOVA, Veneto
Date of start of the outbreak 19/06/2020
Outbreak status Resolved (06/08/2020)
Epidemiological unit Lake
Water type Fresh water
Population type Wild
Production system Open
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
Carp (Cyprinus carpio) 0 % 0 % 300 300
Affected population Huge mortality of carps was ascertained in a lake. The real-time PCR test confirmed the presence of spring viraemia of carp. Other samples of carps were also positive to carp edema virus. The high level of mortality could be originated by the copresence of both viruses.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Carp (Cyprinus carpio) 300 300
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Carp (Cyprinus carpio) ** ** 100.00% **
*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
Control measures
Measures applied
  • Official disposal of carcasses, by-products and waste
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
Diagnostic test results
Laboratory name and type Species Test Test date Result
Experimental zooprophylactic institute (IZS), Padova (National laboratory) Carp (Cyprinus carpio) real-time PCR 07/07/2020 Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations