Zhengzhou starts sequential immunization, and there is a new option for the third booster

Elephant News·Image Network reporter Dong Caihong/Wentu

There is a new choice for booster injections, Zhengzhou City has launched the new crown vaccine sequential booster immunization Recently, Henan Province has launched the new crown pneumonia vaccine sequence Boost immunity. On February 28, the Elephant News reporter learned from the Zhengzhou Center for Disease Control and Prevention that since February 23, Zhengzhou has started the sequential strengthening of the new crown vaccine. At present, the city’s vaccination clinics can receive the sequential strengthening of the new crown vaccine. Needle.

There is a new option for the third booster needle

It is understood that sequential immunization has For citizens who have not received the new coronary pneumonia booster shot, there is another option: either homologous vaccination or heterologous vaccination, that is, sequential booster immunization.

Li Feng, director of the Immunization Planning Institute of the Zhengzhou Center for Disease Control and Prevention, said: “The ‘enhanced shot’ previously vaccinated by citizens refers to the whole process of inoculation of Sinopharm Zhongsheng Beijing Company, Sinopharm Zhongsheng Wuhan Company, Beijing Kexing The target group of the company’s new coronavirus inactivated vaccine over 18 years old who has reached the age of 6 months can receive one dose of homologous booster immunization, that is, boosting with the same source vaccine.

Sequential There is no difference in safety between vaccination and homologous booster vaccination.

The sequential booster immunization can be understood as a heterologous booster immunization, that is to say, citizens except the homologous ‘booster shot’ In addition, recombinant protein vaccines or adenovirus vector vaccines of different technical routes can also be selected for sequential booster immunization.” Is it safe to do sequential booster vaccination? Will there be any side effects? Li Feng said: “Studies show that there is no difference in safety between sequential vaccination and homologous booster vaccination.”

Older people After 6 months of basic vaccination, it is recommended to strengthen vaccination 27,655,000 doses were administered, of which the first dose was 1,274,200 doses for the elderly over 60 years old, and the vaccination rate was 78.77%.

“Judging from the data, the willingness of some elderly people in our city to be vaccinated against the new crown is relatively low. For the elderly, once the new crown is diagnosed, the risk of developing severe cases and death is much higher than Young adults and children. In addition, the level of antibodies produced by the elderly after being vaccinated against the new crown is relatively lower than that of other groups. Over time, the level of antibodies in the body naturally weakens, so the elderly have completed the basic vaccination. After a month, it is also recommended to do a booster vaccination.” Li Feng said.