File photo: A medical worker prepares a dose of COVID-19 vaccine at a community medical service center in Changsha, central China's Hunan Province, Nov. 15, 2021. /Xinhua

More than 1.1 billion people were fully vaccinated against COVID-19 in China, the National Health Commission said on Tuesday.

Nearly 2.5 billion vaccine jabs had been administered, said Mi Feng, a spokesperson for the commission, at a press conference of the State Council inter-agency task force for COVID-19 response.