Tedros Adhanom's expectation that future collaborative studies will include more timely and comprehensive data sharing but raised concerns over China's delaying tactics and lack of access to "complete, original data and samples".Tedros, who has been accused of complacency towards China, hardened his tone acknowledging the concerns about China's refusal to share raw data about early Covid-19 cases.Also Read | Why Kerala may not swing this time roundHe conceded the international experts faced problems with data access in Wuhan. "In my discussions with the team, they expressed the difficulties they encountered in accessing raw data.