Dogs you own or are familiar with do not need to be vaccinated. If they just scratch red, it will not be a serious problem. Generally speaking, dogs will not be infected by the disease if they scratch humans. If they are bitten, they need to be vaccinated against rabies. If they are bitten, they will not be infected. People can use disinfectants to carefully disinfect the area. If you are scratched by a stray dog ​​or an unknown dog, it is recommended that the person who is caught consider whether to get vaccinated based on their own situation.