“…are globally ubiquitous (123) and can be isolated from various reservoirs, such as the environment, animals, and food (55,100,123). Typical sources of Prototheca species are the slime flux of trees, grass, fresh and salt water, wastewater, animals such as cattle, deer, and dogs, stables, animal buildings, excrement (22,123,142), and food items such as butter, potato peels, cow's milk, soil, and bananas (72,99,100,117,119,135,166). Since chlorination is not uniformly effective in eliminating potentially pathogenic Prototheca species from the effluents of sewage water and household waste, the algae survive and return to the environment (163).…”