BEIJING, Jan. 28 (Xinhua) -- Chinese health authorities announced Tuesday that 4,515 confirmed cases of pneumonia caused by the novel coronavirus (2019-nCoV) had been reported in 30 provincial-level regions by the end of Monday. A total of 106 people died of the disease. The National Health Commission said in its daily report that 976 patients remained in critical conditions, and 6,973 people were suspected of being infected with the virus as of the end of Monday. A total of 60 people had been discharged from hospital after recovery.