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When cancer behaves like an infectious disease, vaccines may be the solution.
'Devil facial tumour cells spread from animal to animal and are able to slip past the devil’s immune system because they produce few of the molecules called major histocompatibility complex class I (MHC-1) proteins, which the immune system uses to recognize harmful invaders. The vaccine targets one of the two forms of the disease and aims to make the tumour cells more visible to the immune system.'
