Xinhua News Agency, Hohhot, March 23 (Reporters Wei Jingyu, Lian Zhen) The reporter learned from the press conference on the prevention and control of the new crown pneumonia epidemic in Hohhot, Inner Mongolia Autonomous Region held on the 23rd, that the local new crown occurred in Hohhot since March 17. The pneumonia epidemic has obvious characteristics of clustering, and the confirmed cases are mostly related to family members, neighbors, and colleagues.

  According to Wang Dawei, deputy director of the Hohhot Center for Disease Control and Prevention, among the 6 confirmed cases and 21 asymptomatic infections reported so far, 20 are concentrated in 6 families and 2 dormitories, and 7 are colleagues, neighbors or close contacts. ; From the perspective of work and living places, 10 cases are residents of the same unit in the same building, and 12 cases are colleagues and classmates who study together.

Preliminary analysis determined that the transmission chain is that the confirmed case No. 1 spread to family members (confirmed case No. 2) and neighbors (confirmed case No. 3), and then spread to their relatives and friends, and then expanded the spread through close contacts such as colleagues and classmates.

Except for the first case of the epidemic in Hohhot, the rest of the newly confirmed cases and asymptomatic infections were found among the control personnel.