On 31 January 2020 , an article in The Lancet estimated that 75,815 individuals have been infected in Wuhan as of 25 January 2020.There are concerns about whether adequate medical personnel and equipment are available in regions affected by the outbreak for hospitals to correctly identify coronavirus cases instead of misdiagnosing suspected cases as `` severe pneumonia '' .
An article about the 2019-20 coronavirus pandemic by the University of Hong Kong group was published in The Lancet .