Cai Zehao's glasses have vapor on them as he boils some herbs. [Photo by Wang Jing/chinadaily.com.cn]

Cai Zehao has to continuously stir the broth of a traditional Chinese medicine formula. [Photo by Wang Jing/chinadaily.com.cn]

Cai Zehao prepares to boil the medicine. [Photo by Wang Jing/chinadaily.com.cn]

Cai Zehao closely inspects medicine packs. [Photo by Wang Jing/chinadaily.com.cn]

Pharmacists write down prescriptions. [Photo by Wang Jing/chinadaily.com.cn]

Pharmacists write down prescriptions. [Photo by Wang Jing/chinadaily.com.cn]

A pharmacist uses a scale to make the correct dosage of every prescription. [Photo by Wang Jing/chinadaily.com.cn]

A pharmacist uses a scale to make the correct dosage of every prescription. [Photo by Wang Jing/chinadaily.com.cn]

The facade of the Traditional Chinese Medicine Department at the Wuhan Sixth Hospital. [Photo by Wang Jing/chinadaily.com.cn]

Volunteers fetch medicine for patients at the hospital. [Photo by Wang Jing/chinadaily.com.cn]

A doctor is available at the outpatient clinic of the Traditional Chinese Medicine Department of the hospital. [Photo by Wang Jing/chinadaily.com.cn]

A patient fetches medicine at the Fever Clinic of the hospital. [Photo by Wang Jing/chinadaily.com.cn]