KEY POINTS:
The race to save the endangered Tasmanian devil from extinction has suffered a serious scientific setback.
A devil named Cedric, thought immune to the invariably fatal, contagious devil facial tumour disease (DFTD), has developed the cancer, scientists say.
Cedric had for two years shown a strong antibody response to the devastating disease that experts warn could cause the extinction of the marsupial in the wild by 2020.
