Where Sources Agree

• arrows_inputFatal Experimental Therapy Outcome: Reporting establishes that a 6-year-old girl died seven days after receiving an experimental spinal viral infusion, with hospital records and investigative findings confirming her death resulted from a severe immune reaction known as thrombotic microangiopathy, according to Science and Retraction Watch.
• arrows_inputFunding and Lack of Compensation: Most accounts emphasize that the parents contributed approximately $860,000 from savings and relatives to fund the experimental gene therapy, only to receive no compensation following their daughter’s death, according to bank records and reporting by Science and Retraction Watch.
• arrows_inputTrial Oversight and Fine: Most outlets confirm that Shanghai Xinhua Hospital was fined approximately $3,600 in September 2025 for failing to properly oversee and register the experimental gene-editing trial, according to district health department reports.

Where Sources Disagree

• arrows_outputNature of Financial Payments: Reports differ on how to characterize the $860,000 parents paid for the experimental therapy; some outlets describe the money as informal, potentially illicit fees paid directly to individual researchers, while others frame the payments as funding for the development of the experimental therapy.
• arrows_outputRegulatory Oversight and Trial Approval: Some accounts highlight that the trial proceeded via an investigator-initiated pathway that bypassed national regulatory approval, while others emphasize that the institution was fined for failing to properly register the study and maintain adequate oversight.
• arrows_outputNature Paper Content: The revised Nature paper featured entirely new monkey brain data, but external investigators emphasize that the publication omitted the patient's death and the significant financial contributions made by her parents.