BEIJING, Feb. 27 (Xinhua) — China\’s customs authorities have found 30 types of imported COVID-19 variants, including the first cases of XBB.1.9, XBB.1.9.1, and XBL, since China removed certain COVID-
Enjoy life, Inspiring work
Enjoy life, Inspiring work
BEIJING, Feb. 27 (Xinhua) — China\’s customs authorities have found 30 types of imported COVID-19 variants, including the first cases of XBB.1.9, XBB.1.9.1, and XBL, since China removed certain COVID-