GETTING VACCINATED. A medical worker administers a dose of the vaccine against coronavirus disease (COVID-19) to an elderly person at a community health service center in Shijiazhuang, Hebei province, China on December 12, 2022. As authorities deactivate the 'itinerary code' app, China's four telecoms firms say they will delete users' data associated with the app People in China celebrated the withdrawal on Tuesday of a state-mandated app used to track whether they had travelled to COVID-stricken areas, in the latest loosening of some of the world’s toughest anti-virus rules. As authorities deactivated the ‘itinerary code’ app at midnight on Monday,...