Guard against Omi kerong, the new crown vaccine reinforcing needle hurry up! Expert 11 questions and 11 answers

What is the COVID-19 vaccine "booster shot"?

Are existing vaccines effective against the "Omikejong" variant?

How to play the "reinforcement needle"?

Where to play? Is it safe?

……

Sichuan disease control experts authoritative answers are coming

1

What is a "reinforcement needle"?

Strengthening the needle, also known as strengthening immunization, the immunoprophylactic effect produced after vaccination has a certain period of time, after completing the basic immunization after a certain period of time, the immunity in the body gradually weakens, in order to make the body continue to maintain a solid immunity, it is necessary to carry out timely revaccination according to the immune characteristics of different vaccines, which is to strengthen immunity.

2

Who are the recipients of the booster injection?

According to the needs of epidemic prevention and control, enhanced immunization will be implemented for people aged 18 and above who have reached 6 months after the full vaccination of Sinopharm Zhongsheng Beijing Company (including Chengdu Institute, Lanzhou Institute and other sub-packages), Beijing Kexing Company, Sinopharm Zhongsheng Wuhan Company and Tianjin CanSino Company's adenovirus vector vaccine.

3

Which groups of people should not be given a booster injection?

The contraindications to the COVID-19 vaccine booster are basically the same as the basic immunity, mainly including:

(1) Those who are allergic to the active ingredient of the vaccine, any kind of inactive ingredient, the substance used in the production process, or those who have been allergic to the same vaccine before;

(2) Those who have had a severe allergic reaction to the vaccine in the past (such as acute allergic reaction, angioedema, dyspnea, etc.);

(3) People with uncontrolled epilepsy and other serious neurological diseases (such as transverse myelitis, Guillain-Barre syndrome, demyelinating disease, etc.);

(4) Patients who are feverish, or suffering from acute diseases, or acute onset of chronic diseases, or patients with uncontrolled severe chronic diseases;

(5) Pregnant women.

In particular, it is emphasized that if an acute anaphylaxis occurs before the inactivated vaccine or adenovirus vector vaccine is previously selected, the booster injection cannot be given as a contraindication.

4

Why do we need to get a "booster shot" against the new crown virus vaccine?

The best way to prevent COVID-19 is to get vaccinated. Judging from the research results at home and abroad, the completion of the whole process of vaccination against the new crown virus has achieved remarkable results in preventing severe diseases and reducing mortality. However, after a period of vaccination, the protective effect of the vaccine on some people may be weakened, and timely strengthening immunization can make the neutralizing antibodies that have been gradually reduced grow rapidly or rebound, resulting in a better protective effect.

5

Are existing COVID-19 vaccines effective against the "Omikejung" variant?

Strengthening immunization on the basis of existing vaccines is expected to retain better neutralization activity against the "Omi kerong" variant. In the face of the "Omi kerong" variant, vaccination with the new crown vaccine has become an option for more and more countries.

6

Is it safe to inoculate the "booster needle"?

Relevant experts said that combined with the research results of relevant enterprises on the new crown virus vaccine booster needle, it is found that the second or third dose of vaccination to enhance immunization is still as safe as the first and second doses, and the neutralizing antibody will grow rapidly.

7

At this stage, what vaccines can be used to implement "booster" vaccination?

At present, the vaccines that can be used to implement enhanced immunization are Sinopharm Zhongsheng Beijing Company (including Chengdu Institute, Lanzhou Institute and other sub-packages), Beijing Kexing Company, Sinopharm Zhongsheng Wuhan Company inactivated vaccine and Tianjin Cansino Company's adenovirus vector vaccine.

8

How long is the interval between immunizations against the new crown virus vaccine and can I get a "booster shot"?

At this stage, enhanced immunization is implemented 6 months after the completion of vaccination. That is, after the second dose of the new crown virus inactivated vaccine, an interval of 6 months is generally required before the vaccination of booster doses can be carried out. Booster immunization is carried out 6 months after adenovirus vector vaccination.

9

How do I choose the type of vaccine when receiving the "booster needle"?

At this stage, booster immunization is carried out using the original vaccine that has been administered. Among them, the population that completed two doses of vaccination using the same inactivated vaccine of the new crown virus in principle used the original inactivated vaccine for 1 dose booster; the population who completed the two doses of vaccination with different inactivated vaccines in principle gave priority to using the same vaccine as the 2nd dose of inactivated vaccine for 1 dose of enhanced immunization, and if the same vaccine of the second dose could not continue to be supplied, the same vaccine as the 1st dose of inactivated vaccine could be used for 1 dose of enhanced immunity; the population vaccinated with adenovirus vector was used. Boost immunization with the original vaccine.

10

How to get the "booster shot" of the new crown vaccine? Where to play?

In principle, the strengthening of immunization of personnel in key positions who are at high risk of infection and ensuring the basic operation of society shall be organized and implemented by all relevant units; other groups may go to the vaccination unit designated by the jurisdiction to make an appointment for vaccination. Specific vaccination information in each region can be found in the official information released by the local health department or the CDC.

11

What are the precautions for vaccination "booster needle"?

Before vaccination, according to the pre-vaccination voucher, confirm whether you have been fully vaccinated and complete the full vaccination for more than 6 months. When vaccinating, it is necessary to bring identity documents, vaccination vouchers, etc., and according to local prevention and control requirements, do a good job of personal protection, cooperate with on-site vaccination staff to inquire; need to inform the doctor of personal health conditions such as previous diseases and whether to use drugs in the near future.

After inoculation, stay for 30 minutes according to the regulations; keep the skin clean on the inoculation area and avoid scratching the inoculation site with your hands.