Flies are among the filthiest of all pests carrying billions of germs on the outside of their bodies. More than 100 pathogens are associated with the house fly including Salmonella, Staphylococcus and E.coli.These pathogens can cause disease in humans and animals, including typhoid fever, cholera, hepatitis, ophthalmia and tuberculosis. These diseases can travel when flies touch food and kitchen surfaces which can threaten your customers and your business image.