A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua
A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua
A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua
A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua
A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua
A kid receives a dose of COVID-19 vaccine at a school in Hohhot, north China's Inner Mongolia Autonomous Region, Nov. 23, 2021. Hohhot recently launched a COVID-19 vaccination campaign for children aged 3 to 11.Photo: Xinhua