Yesterday, I had a fever of 39 degrees after taking water beans for preventive injection, and I had

After vaccination, there will be certain reactions, such as fatigue, low fever, local skin redness and swelling in the injection area, etc., which will generally improve by themselves. If there is repeated high fever, it may be caused by bacteria or virus infection in the body. It is necessary to see a doctor in time and use antipyretic drugs for treatment according to the doctor's advice.