Medical workers of Bethune Medical Team collects a swab sample from a citizen at a community in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021. (Photos: China News Service)Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. Bethune Medical Team from the affiliated hospital of Third Military Medical University are active at the frontline of nucleic acid testing and make contributions to epidemic prevention.

A medical worker of Bethune Medical Team collects a swab sample from a citizen at a community in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.

A medical worker of Bethune Medical Team collects a swab sample from a citizen at a community in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.

A girl salutes the medical worker during the nucleic acid testing in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.

Medical workers of Bethune Medical Team show a painting from a child in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.

The orderly sampling in a community in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.

A volunteer working with Bethune Medical Team takes a break between nucleic acid testing in Shijiazhuang, North China's Hebei Province, Jan. 12, 2021.