The four-dose rabies vaccine is not recommended to be given only two shots, but needs to be given according to the course of treatment. Timely injection of rabies vaccine is currently the most effective way to prevent rabies, each injection of rabies vaccine, the body of the antibody titer gradually increased, so the rabies vaccine four shots, only two shots, may affect the body of the antibody titer, it is recommended to follow the regular course of treatment to fully inject the four shots of the vaccine, only two shots of the vaccine produced by the lower titer of the antibody, may not be able to achieve an effective preventive effect. Since rabies has a very high mortality rate and there is still no effective cure, vaccination is the key to preventing rabies, and it is recommended that rabies vaccine be administered according to a regular regimen after an injury. If you have been injected with rabies vaccine, after re-exposure, measured the existence of certain antibodies in the body, it is possible to only need two injections to strengthen, individual circumstances are different, it is recommended to ask the specific vaccination point of the doctor.