World Health Organization-led team probing the origins of the Covid-19 pandemic was put in a spot after China refused to give raw patient data of early cases of the virus.The team had requested data on 174 cases of Covid-19 that China had identified from the early phase of the outbreak in the Chinese city of Wuhan in December 2019, as well as other cases, but were only provided with a summary, one of team's investigator Dominic Dwyer was quoted as saying by Reuters.Dwyer, an Australian infectious diseases expert, said that such data is known as "line listings" and would typically be anonymised but contain details such as what questions were asked of individual patients, their responses and how their responses were analysed."That's standard.