DOWNERS GROVE, Ill.--Vysis, a genomic disease management company here specializing in clinical products for evaluating and managing cancer, prenatal disorders, and other genetic diseases, signed agreements in February that will broaden its worldwide coverage to include Mexico, Brazil, and Southern Africa and expand its distributor relationship in Spain. Vysis CEO John Bishop said the company will continue to add distributors to make its clinical and research products and genetic workstations available to clinical labs around the world.