The third booster shot of Beijing Bio is effective, but you need to pay attention to the adverse reactions. The third booster shot of Beijing Biological belongs to the booster shot of inactivated vaccine, which is applicable to people who also received inactivated vaccine in the first two shots, including Beijing Kexing and Changchun Biological. It is a booster shot for inactivated vaccines, which can effectively increase the titer and quantity of antibodies in the body, thus providing better protection. However, it is necessary to pay attention to adverse reactions, including common fever, allergy, headache, etc. Generally, the degree of adverse reactions is relatively mild and can be self-healed through rest. However, if the adverse reactions are more serious, such as fever above 38.5℃, it is necessary to consult a doctor in time and carry out targeted treatment under the doctor’s guidance, so as to avoid leading to serious consequences.