A review of current understanding on carp edema virus (CEV): A threatful entity in disguise

Aquaculture has been an integral part of food consumption and aesthetics since advent of agricultural industry with increasing demand to meet the needs of expanding population. Fish trading among the nations have widened the pathogenic window towards their susceptible hosts. Immediate attention is required with respect to budding and persisting pathogens in waters across the world. Extensive and efficient surveillance can help in preventing loss of fish in huge quantity. One of the emerging infectious viral pathogens that have caused a huge loss to aquaculture particularly to carp industry is carp edema virus belonging to Poxviridae family. It is known to affect only freshwater koi and common carp with symptoms resembling those of other viruses. Experiments and observations drawn have made a positive approach towards understanding the infection mechanism of the pathogen, host range, clinical signs, preventions and its treatment.

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