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These terms define your current search. Click the × to remove a term. Economics, Business and Industry: economics > economic analysis > cost analysis × 573 items, grouped by Taxa - Viruses and Viroids (view ungrouped items) negative sense, single-stranded RNA viruses (1)    (Click to View) Evaluation of testing strategies for infectious salmon anaemia and implications for surveillance and control programs Aquaculture positive sense, single-stranded RNA viruses (1)    (Click to View) Culling wildlife hosts to control disease: mountain hares, red grouse and louping ill virus Journal of applied ecology