Why is it necessary to fight houseflies?

House flies are very dangerous to humans. Their body is covered with the smallest villi, to which everything adheres, from dust to pathogens. Before entering the house, the fly gets food in garbage dumps, sewers, feeds on manure and feces. After that, the fly can transfer bacteria from these places to household products, water, dishes. Millions of pathogenic microorganisms are found in her intestines. A person can become infected with infectious diseases of the intestines, eyes, tuberculosis.