| Main Ref: | 48502 |
| Disease type: | Viral diseases |
| Disease name: | Hidden Viral Infection |
| Other names: | |
| Caus. agent: | N.A. |
| Group: |
| Part of body and/or behavior affected by disease: | ||
| Skins and/or fins | Belly | Swimming behavior |
| Gills | Anus | Other behavior |
| Eyes | Viscera Afflicted | Other symptoms |
| Fish affected: | ||
| Symptoms: | Symptoms differ from each fish species. Some symptoms include dark colors, distended bellies(swolen), intestinal hemorrhages, necrosis in an enlarged spleen; some has a herpes-like virus in the spleen. Infected fish also exhibits bloodshot eyes and skin, and necrotic patches in the internal organs. | |
| Treatments: | There is no specific anti-viral drug. The fish can build up immunity to the viral infection, resulting to slow disappearance of the symptoms. | |
| Prophylaxis: | Isolate infected fish to prevent further infection of other non-infected fish. | |
| Remarks: | Viral infections may appear to have symptoms of bacterial infections or a bacterial infection may occur as a secondary bacterial infection. | |
| Mortality and seasonality | ||
| Mortality: | high (30% - 60%) | |
| Seasonality: | ||
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