Flies are insects that carry many pathogenic microorganisms! especially in poorer countries they are carriers of serious diseases. they consume large amounts of food and for this reason they create a lot of waste, which is a health hazard!#flies,#insects,#bacteria,#flies disease,#flies spread disease,#fly disease,#flies facts,#nature,#animal,#animals,#animal #short,#short video,#why flies are health hazard,#disease
