Medical staff, community workers, and public security personnel are trying to beat the clock to build a solid defense line against the epidemic. 

A medical worker takes a swab sample from a local resident for nucleic acid testing. [Photo/gansudaily.com.cn] 

Community workers offer supplies to local residents. [Photo/gansudaily.com.cn] 

People buy fresh fruits at supermarket during the outbreak. [Photo/gansudaily.com.cn]

Pharmacists prepare Chinese Traditional Medicine (TCM) decoctions. [Photo/gansudaily.com.cn]