Fighting the new coronavirus has been a battle against the unknown for doctors. ... Now, an account by medics on the front line of this epidemic, at the Jinyintan Hospital, in Wuhan, is starting to provide answers. A detailed analysis of the first 99 patients treated there has been published in the Lancet medical journal. Lung assault All of the 99 patients taken to the hospital had pneumonia - their lungs were inflamed and the tiny sacs where oxygen moves from the air to the blood were filling with water. Other symptoms were: 82 had fever 81 had a cough...