Health officials in China have published the first details of more than 44,000 cases of COVID-19, in the biggest study since the outbreak began.
Data from the Chinese Centre for Disease Control and Prevention, CCDC finds that more than 80% of the cases have been mild, with the sick and elderly mostly at risk.
The research also points out the high risk to medical staff.
A hospital director in the city of Wuhan died from the virus on Tuesday.
Liu Zhiming, 51, was the director of the Wuchang hospital in Wuhan – one of the leading hospitals in the virus epicentre. He is one of the most senior health officials to die so far.