Students get inoculated with the COVID-19 vaccine at a temporary site at Tsinghua University in Beijing, on March 1, 2021. As of Feb 25, nine universities, including Tsinghua, Peking University and Beijing Jiaotong University, have carried out COVID-19 vaccination, with more than 30,000 teachers and students getting vaccinated. [Photo by Zou Hong/chinadaily.com.cn]

Students get inoculated with the COVID-19 vaccine at a temporary site at Tsinghua University in Beijing, on March 1, 2021. [Photo by Zou Hong/chinadaily.com.cn]

A student starts to roll down his sleeve after getting the COVID-19 vaccine as others behind him get ready for the jab at a temporary site at Tsinghua University in Beijing, on March 1, 2021. [Photo by Zou Hong/chinadaily.com.cn]

Students register their information before getting the COVID-19 vaccine at a temporary site at Tsinghua University in Beijing, on March 1, 2021. [Photo by Zou Hong/chinadaily.com.cn]

Students enter the temporary vaccination site after swiping their ID cards and getting their temperature checked at Tsinghua University in Beijing, on March 1, 2021. [Photo by Zou Hong/chinadaily.com.cn]