BEIJING, Aug. 5 (Xinhua) -- China’s current COVID-19 containment measures are effective against the Delta variant, a health official said Thursday.
The vaccine doses administered across the country also demonstrate good preventive and protective effects against the COVID-19 Delta variant, He Qinghua, an official with the National Health Commission, said at a press conference in Beijing.
原文地址：http://en.people.cn/n3/2021/0805/c90000-9880835.html