No matter male or female, most of the people will have no obvious side effects after taking three doses of XKV vaccine, but some of the vaccinated people will have adverse reactions after vaccination, which can be categorized into common reaction and overreaction. 1. Ordinary reactions: after three shots of XKV vaccine, some vaccinated people may have fever, tiredness, lack of appetite and other symptoms, and there may be hard nodules, redness and swelling at the site of vaccination, etc. These are normal adverse reactions. These situations are normal adverse reactions, generally do not need special treatment, usually disappears about 48 hours after vaccination. 2. Overreaction: A very small number of vaccinated people will have strong vaccine reaction after vaccination, such as: persistent high fever, convulsions, convulsions, respiratory difficulties and other symptoms. Whether male or female, after receiving the new crown vaccine, you should stay for 30 minutes to observe, if there is an acute, strong allergic reaction, so that the doctor can administer emergency treatment in a timely manner, and you can leave if no abnormalities occur. After returning home, if you find a strong reaction to vaccination, you should also return to the hospital at the first time to avoid overreaction after vaccination.