At present, there is no study to determine which is better, the KXN vaccine or the biocoronavirus vaccine. The effectiveness and safety of both vaccines are basically the same. Both vaccines are inactivated novel coronavirus vaccines. Regardless of which vaccine is administered, 90% of the vaccinated patients will develop antibodies against the virus, which will enable the body to better defend itself against the novel coronavirus and reduce the spread of the virus. Therefore the effects of both are basically the same. At the same time, both Kexing New Coronavirus Vaccine and Bio New Coronavirus Vaccine are approved by the state before they are marketed, so they are more reliable. Moreover, after receiving either vaccine, the human body will have fewer side effects, and only a very small proportion of the population will experience serious side effects, so they are both safer. It is not necessary to put too much effort into choosing the brand of vaccine when receiving the new crown vaccine, as the safety and effectiveness of vaccines that can be marketed are basically the same. At this point, you only need to follow the arrangement of the medical staff to carry out the vaccination in a reasonable and orderly manner. However, when serious adverse reactions occur in the body after vaccination, you must inform the medical staff immediately to avoid adverse consequences.