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Frequently Asked Questions about Booster Shots for Baoding New Crown Vaccine Sequence
I. Is a booster shot necessary? Is it safe?

It's necessary to get a booster shot, and it's also more effective according to current research. According to domestic and international research results, vaccination against the new crown significantly reduces the incidence of morbidity, hospitalization and mortality caused by the new crown virus, and plays a great role in the prevention and control of epidemics. However, as with other vaccines, there is a weakening of the protective effect over time after completion of the vaccination, but after booster immunization, a higher level of antibodies will be produced in the body of the vaccinated person, which will provide protection against the virus.

Available data show that homologous booster vaccination and sequential booster combinations such as inactivated vaccine + recombinant protein vaccine and inactivated vaccine + adenoviral vector vaccine can substantially increase the level of neutralizing antibodies in vaccinees, and also have a better safety profile.

What is homologous booster immunization? What is sequential booster immunization?

The so-called homologous booster immunization refers to the booster immunization using the same technical line of vaccine as the basic immunization for vaccination, and at the current stage of the domestic implementation of inactivated + inactivated vaccine booster or adenovirus vector + adenovirus vector vaccine.

The so-called sequential booster immunization refers to vaccination with vaccine technology different from the previous vaccine, at the current stage of domestic implementation of inactivated + recombinant protein vaccine or inactivated + adenovirus vector vaccine. Taking the new coronavirus vaccine as an example, if two doses of inactivated new coronavirus vaccine have been completed previously, and any other new coronavirus vaccine that is not inactivated is used when a booster shot is needed, then this is called "sequential booster immunization". The vaccination regimen for the currently available sequential booster vaccines is as follows:

Specifically:

Two doses of inactivated vaccine for basic immunization + one dose of adenovirus vector vaccine for booster immunization;

Two doses of inactivated vaccine for basic immunization + one dose of recombinant protein vaccine for booster immunization.

Three: How safe is sequential booster immunization?

Available data show that the two sequential booster immunization combinations can significantly increase the level of neutralizing antibodies in vaccinees, and at the same time have a better safety profile.

Four: Who can receive booster immunization?

At this stage, the sequential booster immunization can be implemented in people over 18 years of age who have been vaccinated with the inactivated XKV vaccine of Sinopharm Beijing, Kexing Zhongwei, and Sinopharm Wuhan for 6 months and have not completed the homologous booster immunization.

V. Can people over 60 years of age receive a sequential booster immunization?

People over 60 years of age are at high risk for infection with the new coronavirus.

People over 60 years of age who meet the requirements for sequential booster immunization can choose sequential booster immunization.

Sixth: Can I get a booster vaccination if I have received vaccines other than inactivated vaccines?

No, for the time being. For the use of other vaccines to complete the full immunization or the subsequent approval of the use of vaccines to complete the full immunization, according to the results of the study of its use for sequential booster vaccination and the relevant demonstration, the study will be used for the implementation of sequential booster vaccination.

VII. Is the new crown vaccine for sequential booster immunization free of charge?

Yes. At this stage, the sequential strengthening of immunization to implement free vaccination policy. People who meet the requirements for sequential booster vaccination can choose either recombinant protein vaccine or adenovirus vector vaccine and receive one dose of booster vaccination free of charge.

How long is the interval between the sequential booster immunization and the previous vaccine?

Sequential booster immunization needs to be separated from the previous vaccine by at least 6 months.