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#Montreal

2520 storiesnewest firstlatest July 22, 2026page 51 of 126

  1. Contagious Melanoma Found in Quebec and U.S. Catfish

    A genetic study has identified a contagious form of melanoma spreading among catfish in lakes of Quebec and the northeastern United States, a rare occurrence for this type of cancer. The discovery challenges existing views on cancer transmissibility and prompts further investigation into its ecological impact.

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