China has given complete doses of Covid-19 vaccines to about 75.6% of its population as of Oct. 23, National Health Commission spokesperson Mi Feng said yesterday. Some 1.068 billion people have now been inoculated with the required dosages, out of a population of 1.412 billion, Mi told a news briefing. The country administered 2.245 billion doses of Covid-19 vaccines as of Saturday, official data showed. China is giving booster shots to adults whose last dose was at least six months earlier, with priority groups including essential workers, older people and those with weaker immune systems.