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What does the vaccine research and development route in COVID-19, China not include?

Not including antibody research. Five technical routes of vaccine: inactivated vaccine, adenovirus vector vaccine, attenuated influenza virus vector vaccine, recombinant protein vaccine and nucleic acid vaccine. Not including antibody research. There are three kinds of COVID-19 vaccines in China, including inactivated vaccine, adenovirus vector vaccine and recombinant subunit vaccine.