cancer contagieux

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A contagious cancer that behaves like a parasite has been discovered in shellfish species such as clams and mussels in Quebec and other locations.

Scientists have identified a new type of contagious cancer that spreads among shellfish, including clams and mussels, behaving similarly to a parasitic infection. This type of transmissible cancer represents a novel phenomenon whereby cancer cells themselves can transfer between individual animals, rather than cancer arising independently within each organism.