Deadly chytrid fungus has caused most extinctions ever — but some toads survived

The chytrid fungus Batrachochytrium dendrobatidis has caused more species extinctions than any other infectious disease in recorded history, devastating amphibian populations worldwide. Against the odds, some toad populations have managed to survive and appear to have developed resistance to the pathogen. Scientists are investigating the mechanisms behind their survival, which could offer clues for conservation efforts.

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