Currently, there is no enterovirus vaccine, so people should pay attention to personal hygiene and wash their hands. After a person has been infected with a certain type of enterovirus, the immunity will remain at least decades. However, there are numerous types of enterovirus, part of the enteroviruses can cause the same hand-foot- and-mouth disease or herpangina, so some people will repeat the symptoms of hand-foot-and-mouth disease or herpangina.