It is still possible for the rabies vaccine to be effective after 1 month of being bitten by a dog. Because rabies has an incubation period, most of the incubation period is within 1-3 months, one month, there may still be rabies did not attack the situation. It is still possible to prevent rabies by allowing the body to produce rabies-neutralizing antibodies before the onset of rabies. Therefore, it is theoretically possible to receive the rabies vaccine at this time, and the body will be able to produce antibodies after 5 complete rabies vaccinations. About 7 days after the first dose of rabies vaccine, the body is basically able to produce rabies-neutralizing antibodies, which can be effective. If you want your body to acquire antibodies earlier, you can directly inject rabies immunoglobulin or anti-rabies serum intramuscularly.