1 Day
Source:
The Boston Globe
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Contagious cancer in Vermont lake
Scientists have identified a contagious form of cancer spreading among brown bullhead catfish in Lake Memphremagog, resulting in tumors and skin melanomas. DNA analysis suggests the cancer originated from a single ancestral cell and spread through wounds during spawning interactions. This discovery marks the first known transmissible cancer in freshwater fish and raises questions about the prevalence of such diseases in other species.
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