White spot syndrome virus (WSSV) is one of the main virus causing shrimp viral diseasesT The virus has strong infectivity and wide range of hosts, causing huge economic losses in shrimp farming industry. Yet so far, there are no effective treatments for controlling the virus. Screening healthy shrimp by early detection and diagnosis, establishing effective preventive monitoring system, and cutting off the transmission route as early as possible have become effective ways to prevent this kind of disease. Str...