A child receives a dose of COVID-19 vaccine at a school in Hefei, east China's Anhui Province, on Nov. 1, 2021. Hefei recently launched a COVID-19 vaccination campaign for children aged 3 to 11. (Xinhua/Huang Bohan)
A child receives a dose of COVID-19 vaccine at a school in Hefei, east China's Anhui Province, on Nov. 1, 2021. Hefei recently launched a COVID-19 vaccination campaign for children aged 3 to 11. (Xinhua/Liu Junxi)
A child receives a dose of COVID-19 vaccine at a school in Hefei, east China's Anhui Province, on Nov. 1, 2021. Hefei recently launched a COVID-19 vaccination campaign for children aged 3 to 11. (Xinhua/Liu Junxi)
Children receive COVID-19 vaccines at a school in Hefei, east China's Anhui Province, on Nov. 1, 2021. Hefei recently launched a COVID-19 vaccination campaign for children aged 3 to 11. (Xinhua/Huang Bohan)
A child arrives with his parent to receive a dose of COVID-19 vaccine at a school in Hefei, east China's Anhui Province, on Nov. 1, 2021. Hefei recently launched a COVID-19 vaccination campaign for children aged 3 to 11. (Xinhua/Huang Bohan)
