Attitude and acceptance of newly approved vaccines among Chinese adults (Chapter 6 of the thesis "Changing responses to public health measures during the COVID-19 pandemic"). The survey was conducted, distributed, and collected from 15 February 2021 to 21 February 2021 in Mainland China. This dataset is mainly related to the vaccination intention of COVID-19 vaccines. Data for other Chapters are authorized by the primary supervisor, the data will not be uploaded and this has been approved by the primary supervisor.