Hand, foot and mouth disease transmission routes: Hand, foot and mouth disease is an infectious disease caused by adenovirus. The main transmission routes are droplets and direct virus contact. After a patient is infected, the virus will be excreted in body fluids such as respiratory tract, feces, urine, saliva, blood, etc., making it easily spread. In addition, the transmission routes of hand, foot and mouth disease also include the following aspects: 1. Close contact transmission: such as the patient’s nasal mucus, saliva, saliva, feces