How many injections does COVID-19 Intensive Needle of Beijing Biology need? Is there any adverse reaction of the third injection of COVID-19

At present, there are three main types of COVID-19 vaccine in China, namely COVID-19 inactivated vaccine, adenovirus vector vaccine and recombinant protein vaccine. The enterprises producing COVID-19 inactivated vaccine that have been approved for listing include Sinopharm Beijing Biotech and Beijing Kexing Zhongwei. So, what is the protection rate of Beijing COVID-19 Biological Vaccine? How many injections are needed in total? Let me answer one or two questions for you below!

I. What is the protection rate of Beijing COVID-19 Biological Vaccine?

According to the Phase III clinical trial data of COVID-19 inactivated vaccine of Biotech Beijing, the protective effect of the vaccine against the disease caused by COVID-19 infection is 79.34%, and the data results meet the relevant technical standards of the World Health Organization and the requirements of the Guidelines for Clinical Evaluation of novel coronavirus Vaccines for Prevention (Trial) issued by the State Food and Drug Administration.

1. Safety of COVID-19 Vaccine of Beijing Biology

The COVID-19 inactivated vaccine produced by Beijing Biology is safe after vaccination. After vaccination, the vaccinators in the vaccine group produced high titers of antibodies, and the positive conversion rate of neutralizing antibodies was 99.52%. The protection rate against diseases caused by COVID-19 infection (COVID-19) was 79.34%.

2. Beijing Biological COVID-19 Vaccine Production Company

According to the introduction, Beijing Biological COVID-19 Vaccine was developed by Beijing Institute of Biological Products Co., Ltd. The company was established on August 8, 2016, and is a state-owned sole proprietorship engaged in the research, production, and operation of biological products such as vaccines and diagnostic preparations. It is affiliated with China National Pharmaceutical Group China Biotechnology Co., Ltd.

3. Adverse reactions of COVID-19 vaccine

The total adverse reaction rate of COVID-19 inactivated vaccine produced by Beijing Institute of Products and Wuhan Institute of Biological Products was 1.06%, the local adverse reaction rate was 0.37%, and the systemic adverse reaction rate was 0.69%. Local adverse reactions were mainly manifested as pain and swelling at the vaccination site, with incidence rates of 0.24% and 0.05%, respectively. Systemic adverse reactions were mainly manifested as fatigue, headache, fever, cough, and loss of appetite, and no serious adverse reactions were observed.

The joint prevention and control mechanism of the State Council included two Chinese biological vaccines into the national novel coronavirus vaccine for emergency use on June 30 and July 23, respectively.

II. How many injections of Beijing Biological COVID-19 vaccine?

The name of Beijing Biological COVID-19 Inactivated Vaccine is Vero Cell, which requires 2 injections in total, and the interval between each injection is 21-28 days.

1. When will the second injection of Beijing Biological COVID-19 vaccine be given?

Generally, appointments for the second dose should be made 21 days after the first dose, and should not exceed 28 days at the latest. If there are special reasons that require early vaccination, the interval should not be less than 14 days. If the vaccine has not been administered after 28 days, it must be completed as soon as possible to obtain full immune protection.

2. Can Beijing Biological COVID-19 Vaccine be mixed with Beijing Science and Technology?

At this stage, the state suggests giving priority to two injections of COVID-19 vaccine of the same type and manufacturer. If there are special circumstances, such as a shortage of vaccine supply, or if the vaccinated person is on a business trip and cannot find a vaccine from the same manufacturer to receive the second dose, the same type of vaccine from a different manufacturer can also be used to receive the second dose. To put it simply, the first injection was given to Beijing Biotech, and the second injection was given to Beijing Kexing. They belong to the same type of inactivated COVID-19 vaccine. If you don't want to "mix and match", you can continue to wait for the supply from Beijing Biotech.

To sum up, the protection rate of Beijing Biological COVID-19 vaccine is 79.34%, which requires two injections in total. As the first approved inactivated vaccine, the safety and protection rate of Beijing Biotech need not be worried. Many doctors are basically vaccinated with Beijing Biotech COVID-19 vaccine.