Viral infections may occur when blood from mosquitoes touches a wound. Mosquitoes may exist in the body and the surface of the relevant viruses, if there are exposed wounds on the surface of the skin, and the patient’s resistance is weak, the pathogenic microorganisms may invade, resulting in epidemic encephalitis B, malaria, dengue fever and other vector-borne infectious diseases infections. It is recommended that the patient should be disinfected in a timely manner, and observe whether they have any adverse reactions, such as fever, weakness of the limbs, etc., and go to the hospital in a timely manner if the situation is serious. Daily life also need to do a good job of anti-mosquito work. Specifically need to go to the hospital for relevant examination, and according to their own situation and then do the treatment.