How about the third dose of Anhui Zhifei COVID-19 vaccine? How long is the interval between Anhui Zhifei COVID-19 booster injections

Anhui Zhifei COVID-19 vaccine is good

Anhui Zhifei COVID-19 vaccine is good, approved by the national drug regulatory department, and has good safety and immune effect.

Anhui Zhifei COVID-19 Vaccine is produced and developed by Anhui Zhifei Longkoma Biological Pharmaceutical Co., Ltd., a high-tech enterprise integrating research, development, production and sales of biological products, and a wholly-owned subsidiary of Chongqing Zhifei Biological Products Co., Ltd. (stock code: 300122). According to data, the vaccine developed by ZF2001 can produce neutralizing antibodies in 76% of people after receiving two doses of the vaccine, and in 97% of people after receiving three doses of the vaccine. The geometric mean titer (GMT) of the antibody reached 102.5, which exceeded the serum neutralizing antibody level of 89 COVID-19 rehabilitation patients.

1. Is Anhui Zhifei COVID-19 vaccine safe?

Anhui Zhifei COVID-19 Vaccine is safe. At present, most of the vaccinators have not observed adverse reactions or mild or moderate adverse reactions. Very few subjects may have pain, flushing or induration at the vaccination site. It can heal itself within 1-3 days, so the safety is very good. As for whether you choose Beijing Biotech, Beijing Kexing Vaccine or Anhui Zhifei COVID-19 Vaccine, consumers can choose freely.

2. How about the protection rate of Anhui Zhifei COVID-19 vaccine? According to data, after receiving two doses of ZF2001 vaccine, 76% of people can produce neutralizing antibodies. 97% of people can produce neutralizing antibodies after receiving three doses of the vaccine. The geometric mean titer (GMT) of the antibody reached 102.5, which exceeded the serum neutralizing antibody level of 89 COVID-19 rehabilitation patients.

Interval between three doses of COVID-19 vaccine of Anhui Zhifei

Three doses of COVID-19 vaccine of Anhui Zhifei need to be administered. The specific interval between three doses is the interval between the first dose and the second dose, and the interval between the second dose and the third dose is recommended to be 4 weeks or more. The second dose should be completed within 8 weeks after the first dose, and the third dose should be completed within 6 months after the first dose.

1. Why did Anhui Zhifei COVID-19 Vaccine get three shots?

The reason why Anhui Zhifei COVID-19 vaccine is injected three times is that it is recombinant vaccine, and different vaccine varieties have different injection methods. For example, only one dose of adenovirus vector vaccine needs to be injected, two doses of inactivated vaccine needs to be injected, and three doses of recombinant vaccine need to be injected. At present, two injections are widely used in the market. When Anhui Zhifei COVID-19 vaccine is in clinical trials, three injections are better than two injections, and the neutralizing antibody titer produced is higher.

2. How often does Anhui Zhifei COVID-19 Vaccine take the second shot?

After the first injection of Anhui Zhifei COVID-19 Vaccine, it is recommended that the second injection be administered within 4 weeks or more, that is, the second injection should be administered within 8 weeks as far as possible.

3. When will the third injection of Anhui Zhifei COVID-19 vaccine be given?

The third dose of Anhui Zhifei COVID-19 vaccine is recommended to be vaccinated 4 weeks or more after the second dose, that is, after the first dose, try to complete the third dose within 6 months. Can the third dose of Anhui Zhifei vaccine be skipped?

It is not recommended not to receive the third dose. Because Anhui Zhifei COVID-19 uses the three needle method for vaccination, the interval between each needle may be different. After two injections, 76% of the antibody can be reached, and after three injections, 97% of the antibody can be reached. So it is necessary to receive three doses.

5. Is an injection of Anhui Zhifei vaccine effective? The effect of one dose of Anhui Zhifei vaccine is not very obvious. Generally, a certain amount of antibodies are produced after the second dose, and after three doses, the antibodies will reach more than 90%.

In general, Anhui Zhifei COVID-19 vaccine is good. It needs three doses. The interval between three doses is recommended to be 4 weeks or more. The third dose should be completed within 6 months after the first dose.