Members of a medical team prepare to board a train to Wuhan of Hubei Province, at a railway station in Shijiazhuang, north China's Hebei Province, on Jan. 26, 2020. A team comprised of 150 members from 23 hospitals in Hebei left for Wuhan on Sunday to aid the coronavirus control efforts there. (Xinhua/Mu Yu)

Members of a medical team leaves for the railway station, where they will take a train to Wuhan of Hubei Province, in Shijiazhuang, north China's Hebei Province, on Jan. 26, 2020. A team comprised of 150 members from 23 hospitals in Hebei left for Wuhan on Sunday to aid the coronavirus control efforts there. (Xinhua/Mu Yu)

Zhao Ziwei, a member of a medical team, waves goodbye to her boyfriend in Shijiazhuang, north China's Hebei Province, on Jan. 26, 2020. A team comprised of 150 members from 23 hospitals in Hebei left for Wuhan on Sunday to aid the coronavirus control efforts there. (Xinhua/Mu Yu)

Members of a medical team prepare to board a train to Wuhan of Hubei Province, at a railway station in Shijiazhuang, north China's Hebei Province, on Jan. 26, 2020. A team comprised of 150 members from 23 hospitals in Hebei left for Wuhan on Sunday to aid the coronavirus control efforts there. (Xinhua/Mu Yu)

Members of a medical team pose for a group photo before their departure in Shijiazhuang, north China's Hebei Province, on Jan. 26, 2020. A team comprised of 150 members from 23 hospitals in Hebei left for Wuhan on Sunday to aid the coronavirus control efforts there. (Xinhua/Mu Yu)