WSSV Causes $1 Billion Dollars a Year in Loss of Shrimp Harvest

White spot syndrome virus (WSSV) is a double stranded DNA virus, which belongs to the family Nimaviridae, genus Whispovirus (17). WSSV has become the most threatening infectious agent in shrimp aquaculture (7). Estimated world economic losses associated to WSSV approach one billion US dollar per year since its first report in 1992 (8). The disease gross signs include decrease feed consumption, lethargy, white inclusions in the cuticle and reddish to pink discoloration (6).

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