The success of a multi-center trial for treating children with SCID (severe combined immune deficiency or "bubble boy" disease) from 2000 and 2002, was questioned when two of the ten children treated at the trial's Paris center developed a leukemia-like condition.
O éxito dun ensaio en moitos centros para tratar nenos con SCID (ou doenza dos "nenos burbulla") desde 2000 e 2002, foi cuestionado cando dous dos nenos tratados desenvolveron unha leucemia.