Chinanews client, Beijing, October 28th (Reporter Zhang Ni) In the past few days, the number of domestic confirmed cases has continued to rise, and the local rebound of the epidemic has aroused concern.

Coupled with the advent of autumn and winter and the prevalence of mutant strains, people who have completed the new crown vaccination have begun to pay attention to the issue of booster injections.

  According to incomplete statistics, at present, more than 20 provinces in China have initiated vaccination booster vaccination.

What is the effect of the strengthening needle?

What are the precautions for vaccination?

Let's understand!

On October 27, citizens lined up at a new crown vaccination spot in the Community Health Service Center of Zhan Road, Xicheng District, Beijing, waiting for the booster vaccination.

Photo by China News Agency reporter Hou Yu

More than 20 provinces have launched new crown vaccine booster injections!

  Recently, the State Council's joint prevention and control mechanism has initiated the immunization of the new coronavirus vaccine.

  According to incomplete statistics from the reporter, up to now, there are Beijing, Guangdong, Henan, Hebei, Zhejiang, Hubei, Fujian, Anhui, Guangxi, Jiangsu, Shandong, Hainan, Shanxi, Shaanxi, Guizhou, Heilongjiang, Jilin, Liaoning, Tibet, Inner Mongolia At least 20 provinces, including Qinghai, Gansu, Jiangxi, Yunnan, Sichuan, and Chongqing, have successively started new crown vaccine booster injections.

  In terms of vaccination arrangements, all localities require booster vaccination for people aged 18 and over who have been vaccinated against the new coronavirus for 6 months, and the vaccination is for key groups first.

  For example, at this stage, Beijing is firstly targeting key populations with high risk of infection and disease transmission, such as border ports, medical and health, public security, fire protection, transportation, logistics, and personnel going abroad. Major event guarantees and participants and key areas need to cooperate with epidemic prevention. Control and strengthen the immunization of relevant populations, and conduct vaccinations through centralized organizations of various industries and units.

  In addition, the general population who meet the vaccination conditions and have vaccination needs can register and make an appointment through the organization, the community, and the vaccination site for enhanced immunization.

  Hubei has also made it clear that priority is given to all staff in areas with high risk of epidemic importation such as customs, border inspections, and airport ports, as well as people with relatively low immune functions, and people over 60 years of age.

  Regarding the location of vaccination, some places have also been clarified.

For example, Beijing proposed in principle to carry out booster vaccination in the area where the first or second dose of vaccination is located.

On October 27, in Nanchang, Jiangxi, citizens received the third dose of the new crown vaccine ("intensified injection") at the vaccination site of the Hongjiaozhou Campus of the Second Affiliated Hospital of Nanchang University.

Photo by China News Agency reporter Liu Lixin

Why is a booster vaccination necessary?

  Why vaccinate booster?

How effective is the protection of the enhanced needle?

These are the issues that the public is most concerned about.

  At the recent press conference of the Joint Prevention and Control Mechanism of the State Council, Wang Huaqing, chief expert of the China Centers for Disease Control and Prevention's immunization program, gave an authoritative explanation.

  He emphasized that the risk of infection after completing the full course of immunization is greatly reduced compared with the risk of infection without vaccination.

However, it can be seen from domestic and foreign studies that with the passage of time of vaccination, the level of neutralizing antibodies of the recipients is decreasing, and the protective effect is weakening.

  Experts emphasize that in this case, increasing the number of vaccination shots is a measure to improve immunity and increase protection.

  Wang Huaqing said that the vaccine research and development class organized experts to conduct special demonstrations on the new coronavirus vaccine enhanced immunization strategy. Based on the results of the previous enhanced immunization research, taking into account the vaccine safety, immunogenicity and other related factors, the enhanced immunization strategy was proposed on this basis. .

On October 27, at the vaccination point of the Hongjiaozhou Campus of the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, nurses used syringes to draw the new crown vaccine.

Photo by China News Agency reporter Liu Lixin

What are the precautions for booster vaccination?

——What are the requirements for the vaccination interval?

  At present, experts recommend that the interval between the full course of immunization should be more than 6 months after the start of the booster vaccination.

——Can the booster be inoculated together?

  At present, the domestic new crown vaccine involves different technical routes and production companies, so can the booster injection be mixed?

  In fact, the current booster vaccination strategy adopted by our country is homologous vaccination.

Even if the inactivated vaccine is used to complete the whole course of immunization, it is still boosted with inactivated vaccine, and the adenovirus vector vaccine is used to complete the whole course of immunization or the adenovirus vector vaccine is boosted.

  In addition, the World Health Organization immunization strategy consulting expert group also proposed that it is recommended to use homologous vaccines, that is, vaccines of the same technical route, especially inactivated vaccines. It is recommended to carry out follow-up booster immunizations.

——What should I pay attention to after the booster shot?

  Disease control experts reminded that after the booster shot, one should stay on the spot for 30 minutes to assess the possible risks after the vaccination.

In addition, avoid strenuous exercise after vaccination and maintain a stable life.

  Vaccination will cause some adverse reactions. The third dose of vaccination may cause fever, headache, and fatigue. These are general reactions and do not require special treatment.

If the symptoms persist and are severe, seek medical attention promptly.

——Where can I make an appointment?

  At present, the appointment for vaccination of the booster vaccine is subject to the specific local arrangements.

  For example, Shandong has implemented different forms of appointments for booster immunization.

For people with high occupational exposure risk, the unit or industry organization should make an appointment for vaccination; other people can go to the vaccination clinic designated by the jurisdiction to make an appointment for vaccination.

  The general population in Beijing who clearly meets the vaccination requirements and has vaccination needs can register and make appointments through unit organizations, communities, and vaccination sites for enhanced immunization.

Have you started a booster shot?