At present, there are three types of COVID-19 vaccines used in Hunan Province: the first type is inactivated vaccine, which is produced by Beijing Institute of Biological Products Co., Ltd., Wuhan Institute of Biological Products Co., Ltd. and Beijing Kexing Zhongwei Biotechnology Co., Ltd.; The second category is recombinant COVID-19 vaccine, which is produced by Anhui Zhifeilong Kyle Biopharmaceutical Co., Ltd.; The third category is adenovirus vector vaccine, which is produced by Kangxinuo Bio-stock Company.
1. Inactivated COVID-19 vaccine: 2 doses; The interval between two doses of inoculation is recommended to be ≥3 weeks, and the second dose should be completed as soon as possible within 8 weeks.
2. Recombinant COVID-19 vaccine: 3 doses; The interval between two adjacent doses is recommended to be ≥4 weeks. The second dose should be completed within 8 weeks after 1 dose, and the third dose should be completed within 6 months after 1 dose.
3. Recombinant COVID-19 vaccine: 1 dose.
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Since May 13, 2020, the newly developed recombinant COVID-19 vaccine with adenovirus as the vector has been inoculated in many districts of Beijing and Shanghai. Unlike the previous inactivated vaccine, which required two shots, this new vaccine only needs one shot and the effect is the same.