It is still possible to have a seizure after three rabies shots, which may be related to untimely injections, not enough injections, etc. The details are as follows: 1. Injections are not timely: once bitten or scratched by the virus-carrying animal, it should be vaccinated immediately within the same day, and in strict accordance with the vaccination process and time: 0 days, 3 days, 7 days, 14 days, 28 days, in order to complete the 5 injections. If more than 48 hours before the injection, has been over the best injection time, the preventive effect will also be affected. 2. Insufficient injections: For more serious bites, rabies immunoglobulin or anti-rabies serum should be injected in addition to the vaccine. In short, if you are accidentally bitten or scratched by animals, you must go to the hospital in time to get vaccinated.