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COVID-19 vaccine can only be injected with one shot. Is there any difference between this vaccine and two injections?
As far as the effect is concerned, there is no difference between one shot and two shots of COVID-19 vaccine. Only one shot is adenovirus vaccine and two shots are inactivated vaccine. The effective rate of adenovirus vaccine can reach more than 90% after one injection, while the effective rate of inactivated vaccine 1 injection is only 16% and 17%+. After the second shot,

Moreover, adenovirus vaccine is aimed at some severe patients, which can better prevent patients from reaching the degree of severe illness. According to some data experiments, people over 80 years old can also get adenovirus vaccine, and children under 10 can also get adenovirus vaccine, with no special adverse reactions. Inactivated vaccines are generally not recommended for people who are too old, but from the time of listing, inactivated vaccines have been on the market for a long time.

This adenovirus vaccine is also a very mature technology. This time it is an effective choice to prevent the Ebola virus vaccine originally developed. It can be said that the technology is very mature, and everyone can rest assured that old people and children can play. Sounds safer than inactivated vaccine. It's just that at present, the time to market of adenovirus vaccine is not as long as that of inactivated vaccine, and the experimental data is not so big, but after the vaccine is finished, the antibody produced is the same.

According to the current vaccination rate in China, it is expected that the effect of group immunization can be achieved before the end of this year. Although it is safe in China at present, it is still necessary to wear masks and vaccinate. Only when it comes to group immunity can you put your heart in your stomach. Before that, we should take all protective measures, and we can also persuade friends who have not been vaccinated to get vaccinated quickly, so that we can feel at ease together.