Distributing is very large, can exist in soil, water area( includes surface water, sewerage, waster water), insect, plant, vegetable, fish, bird, wild animal, poultry and etc.

• 分布广：存在于土壤、水域(地表水、污水、废水)、昆虫、植物、蔬菜、鱼、鸟、野生动物、家禽。