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 by the University of Hong Kong group published in The Lancet estimated that more than 75,000 individuals have been infected in Wuhan .