se will recruit 500 volunteers and introduce the placebo control group to further evaluate the immunogenicity and safety of the vaccine. As of 5 p.m. on April 13, 273 volunteers had been vaccinated.
An inactivated vaccine candidate developed by the Wuhan Institute of Biological Products under the China National Pharmaceutical Group (Si
nopharm) and the Wuhan Institute of Virology under the Chinese Academy of Sciences was approved for clinical trials on April 12, Wu said.
Another inactivated vaccine candidate developed by Sinovac Research and Development Co., Ltd., a company based in
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Beijing, was approved on April 13, he added.
Using killed pathogenic microorganisms to enhance the immunogenicity, inactivated vaccines have advantages of mature production process, controllable quality standards and wide protection range, according to Wang Junzhi, an a
ing to e