The vaccinated participants had received a variety of types of vaccine (mRNA, adenovirus vector or inactivated virus).

接种疫苗的参与者接受了多种类型的疫苗（mRNA、腺病毒载体或灭活病毒）。

The recombinant protein vaccine is the third type of COVID-19 vaccine that China has provided to other countries, following inactivated vaccines and adenovirus vector vaccines.

重组蛋白疫苗是继灭活疫苗和腺病毒载体疫苗之后，中国向其他国家提供的第三种新冠肺炎疫苗。