A medical worker takes a swab sample from a resident at a COVID-19 testing site in Haidian District in Beijing, capital of China, Jan. 24, 2022. (Xinhua/Ren Chao)

BEIJING, Feb. 22 (Xinhua) -- Beijing Municipality reported four new locally transmitted COVID-19 cases in the first eleven hours of Tuesday, according to local health authorities.

All of the positive cases are company employees, who attended a training session outside Beijing from Feb. 17 to 20, and their families, Liu Xiaofeng, deputy head of the municipal disease prevention and control center, told a press conference.