The astonishing error, revealed in a screen-grab sent to a Chinese medical journal, shows that the 61-year-old woman, known as ‘Patient Su’, lived about a mile from one of the city’s main coronavirus research labs. Professor Yu Chuanhua, professor of biostatistics at Wuhan University, told Health Times that he had 47,000 cases on his national database of confirmed and suspected cases by late February 2020. ‘The data shows the patient has not undergone nucleic testing and the clinical diagnosis is a suspected case. Last week, the Wall Street Journal reported these researchers ended up in hospital although China has furiously denied the claims. The second patient in November was listed as a 62-year-old man called Wang, who was treated at Hanyang hospital.