Having a high fever of 39 degrees or more from a rabies vaccine does not mean that you are infected with rabies. Because there are many reasons for a high fever of 39 degrees or more, such as vaccine reaction, infection, rabies and so on. Rabies vaccine is mainly used for the prevention of rabies, by rabid dogs or other crazy animal bites and scratches, injuries should be immediately treated wounds, and timely injection of rabies vaccine to prevent rabies. 1. Vaccine reaction: rabies vaccine common adverse reactions to the injection site of redness, swelling, pain, there may also be fever, you can play the rabies vaccine fever of 39 degrees or higher, may be an adverse reaction to the vaccine. 2. Infection: for example, the bite wound occurred bacterial infection, and even lead to localized pus, can cause elevated body temperature, at this time the need for active anti-infection treatment, such as the use of penicillin antibiotics, the local should be disinfected, and the serious cases of debridement treatment. 3. rabies: rabies once the virus invades the brain will appear symptoms, such as fever, headache, nausea, difficulty swallowing, drooling, anxiety, irritability, nervousness and so on. Rabies vaccination fever of 39 degrees or higher, there may be other reasons, it is recommended to go to the hospital in a timely manner to check, follow the doctor’s instructions for treatment, as well as timely measures to reduce fever.