On February 19, The State Council’s Joint Prevention and Control Mechanism held a press conference. At the meeting, Wu Liangyou, deputy director of the National Health Commission's Disease Control and Prevention Bureau, said that recently, with the approval of the State Council's Joint Prevention and Control Mechanism, the National Health Commission has begun to deploy sequentially strengthening immunization. As soon as the news came out, many people were speculating whether they were going to get the fourth shot of the new crown vaccine? Regarding this issue, the reporter interviewed the Municipal Health Commission. The relevant person in charge told the reporter that sequential strengthening of immunization is not the fourth shot, but a new way to get the third shot of the new crown vaccine .
According to reports, my country's previous strengthening of the new coronavirus vaccine vaccination was homologous, that is, only the same type of vaccine that has been given before were selected, while the sequential strengthening of immunity was heterologous, that is, other production routes could be selected.
What is sequential enhancement of immunity?
sequential enhancement of immunity means heterologous enhancement of immunity, which refers to the new crown vaccine that chooses different technical routes from the previous ones when strengthening immunity. Sequentially strengthening immunity means heterologous strengthening immunity, which refers to the new crown vaccine that chooses different technical routes when strengthening immunity. What is the difference between
and the third needle?
Simply put, it depends on whether the multiple vaccines received are the same technical route. If the three doses of COVID-19 vaccines received by a person are all inactivated vaccines , regardless of whether they are produced by the same manufacturer, they are all vaccinated from the same origin. If the first two shots are inactivated vaccines, the third shot is to enhance immunization of recombinant protein vaccine or adenovirus vector vaccine, it is considered heterologous vaccination (sequential vaccination), because the technical routes and principles of action of the inactivated vaccine and the latter two vaccines are different. Judging from the results, homologous enhancement and sequential enhancement of immunity can further improve the immune effect. Do you still need to get the third shot after
? If you have received the third shot of
, you do not need to get a sequential booster immunity. If you have not received the third shot, you can have two options (choose one of two): one is to continue to get the same vaccine before; the other is to make the sequential booster immunity optional vaccine is the recombinant protein vaccine of Anhui Zhifei Longcoma Co., Ltd. or the adenovirus vector vaccine of Tianjin Kangsino.
Why do you need to change to a booster immune injection?
sequential immunization has two advantages: one is that different vaccines can complement each other's advantages. Second, for some people, the side reactions of can be reduced by . Due to different physical constitutions, some people may have more side reactions to a certain vaccine. Vaccine changes can be used to reduce the occurrence of side reactions. Who can’t beat
?
1. Those who are allergic to the active ingredients of the new crown vaccine, any inactive ingredients, substances used in the production process, or those who have experienced allergies when they were vaccinated with the same type of vaccine before.
2. People who have had severe allergic reactions to vaccines (such as acute allergic reactions, angioedema, dyspnea, etc.).
3. People with uncontrolled epilepsy and other severe neurological diseases (such as transverse myelitis, Guillenbarrel syndrome, demyelinating diseases, etc.).
4. Patients with fever (armel temperature ≥37.3℃), or patients with acute diseases, acute attacks of chronic diseases, or uncontrolled severe chronic diseases.
5. Pregnant women.
Who can fight sequentially to strengthen immunity?
1.18 people over the age of 18.
2. Two doses of inactivated vaccination are required, and the two doses of inactivated coronavirus vaccines from Sinopharm Zhongsheng Beijing Company, Beijing Sinopharm Zhongsheng , and Sinopharm Zhongsheng Wuhan Company.
3. The whole process is vaccinated for 6 months.
4. No boosting immunity was performed (no injection in the third shot). (Reporter Hui Jing)
editing｜Qu Liang
review｜Ma Junchun
statement
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