COVID-19 vaccine booster doses in China 2021-2022
As of June 4, 2022, China had administered about 780 million coronavirus COVID-19 vaccine booster doses, whereas over two billion doses of the boosters had been applied worldwide. Chinese residents who received two COVID-19 vaccine shots at least six months ago have been given booster doses since the end of October. The roll-out of boosters came after close to 80 percent of the country's population had been vaccinated.