What type of pathogen causes Infectious Salmon Anaemia?

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Multiple Choice

What type of pathogen causes Infectious Salmon Anaemia?

Infectious Salmon Anaemia is caused by a virus, an infectious agent that needs host cells to replicate. Of the options, the only one that represents a viral pathogen is the herpes virus, since herpes viruses are a type of virus. The other options describe bacteria, fungi, and prions—non-viral categories. So the best answer identifies the pathogen type as a virus. (Note: ISA is caused by a specific fish virus in a distinct virus family, but the important point is that the disease is viral, not bacterial, fungal, or prion-related.)

Infectious Salmon Anaemia is caused by a virus, an infectious agent that needs host cells to replicate. Of the options, the only one that represents a viral pathogen is the herpes virus, since herpes viruses are a type of virus. The other options describe bacteria, fungi, and prions—non-viral categories. So the best answer identifies the pathogen type as a virus. (Note: ISA is caused by a specific fish virus in a distinct virus family, but the important point is that the disease is viral, not bacterial, fungal, or prion-related.)

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