Red sea bream iridoviral disease,
Information received on 23/05/2019 from Mr Tarun Shridhar, Secretary, Department of Animal Husbandry, Dairying & Fisheries, Ministry of Agriculture and Farmers Welfare, New Delhi, India
Report type Immediate notification (Final report)
Date of start of the event 18/01/2018
Date of confirmation of the event 15/05/2019
Report date 23/05/2019
Date submitted to OIE 23/05/2019
Date event resolved 03/02/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent Red sea bream iridovirus
Nature of diagnosis Laboratory (advanced)
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Seetha River Estuary, Haradi, Haradi, Udupi, Karnataka
Date of start of the outbreak 18/01/2018
Outbreak status Resolved (03/02/2019)
Epidemiological unit Estuary
Water type Brackish water
Population type Farmed
Production system Semi-open
Affected animals
Species Morbidity Mortality Susceptible Cases Deaths Killed and disposed of Slaughtered
Sea bass (Lates calcarifer) 100 % 90 % 5000 5000 4500 500 0
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Sea bass (Lates calcarifer) 5000 5000 4500 500 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Sea bass (Lates calcarifer) 100.00% 90.00% 90.00% 100.00%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
Control measures
Measures applied
  • Disinfection
  • Stamping out
  • Quarantine
  • Surveillance within infected and/or protection zone
  • Movement control inside the country
  • 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
ICAR-National Bureau of Fish Genetic Resources (National laboratory) Sea bass (Lates calcarifer) polymerase chain reaction (PCR) 15/05/2019 Positive
Future Reporting
The event is resolved. No more reports will be submitted.
Map of outbreak locations