China steps up protecting vulnerable groups amid COVID-19 response optimization

A medical staff scans COVID-19 vaccine code at a temporary vaccination site in Haidian District, Beijing, capital of China, Dec. 17, 2022.

An elder gets off a shuttle bus for COVID-19 vaccine inoculation at a temporary vaccination site in Haidian District, Beijing, capital of China, Dec. 17, 2022.​

A medical staff administers a second booster dose of COVID-19 vaccine for an elder through nose at a temporary vaccination site in Haidian District, Beijing, capital of China, Dec. 17, 2022.

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