Rabies usually develops 2-3 months after being bitten and scratched by a dog or cat, and it is rarer to develop more than 1 year. Factors affecting the incubation period of rabies, including the distance between the site of infection and the nerve center of the brain, the number of infected viruses and the abundance of nerves at the site of injury. The general rabies incubation period is as short as 5 days and as long as several years, but most are in the range of 2-3 months and rarely exceed 1 year. Therefore, it is very important in the management of secondary and tertiary exposure wounds. The majority of rabies incubation periods are 2-3 months, with 2%-3% being longer than 1 year, but occasional cases have been reported as long as 8 years. If you are bitten by a rabid dog, you must be exposed to rabies vaccine as soon as possible within 24 hours, as there is no specific drug for rabies and the mortality rate is 100%. Rabies vaccination is generally available for prevention, the earlier the better. Antibodies are produced in the body after rabies vaccination, and the antibodies neutralize the virus in the body that is safe. Within 24 hours after being bitten by a dog, the patient should go to a regular hospital or epidemic prevention station for rabies vaccination. If the wound bleeds, first squeeze the wound blood outward, use flowing tap water to rinse for 30 minutes, and wash the wound with soap, then disinfect thoroughly with 75% alcohol. It is recommended to try not to bandage the wound and keep it locally dry and hygienic.