The incubation period is also necessary to play the rabies vaccine, also can play a certain preventive role. Rabies has a certain incubation period, most in three months, some even longer, if the animal bite, did not timely injection of rabies vaccine, but in the incubation period should be timely injection of rabies vaccine, can play a certain preventive role. Although the effect of rabies vaccine within the incubation period is not as good as the injection within 24 hours, but the rabies vaccine can stimulate the body to produce protective antibodies, with a certain resistance to the rabies virus, so it is recommended that the incubation period can still play the rabies vaccine. Rabies once the onset of mortality rate of almost 100%, so the disease is important in the prevention, there is a history of high-risk exposure, should be timely and as soon as possible to inject rabies vaccine or immunoglobulin for prevention.