Mortality Event in Rainbow Snakes Linked to Snake Fungal Disease, United States

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Date

2025-11

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Centers for Disease Control and Prevention

Abstract

We report mortality in rainbow snakes in Virginia and North Carolina, USA, linked to snake fungal disease caused by Ophidiomyces ophidiicola. During 2013–2023, we observed 46 dead rainbow snakes with lesions indicative of snake fungal disease, noted elevated disease severity compared with other species, and recorded fewer live snakes over time.

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Keywords

Farancia erytrogramma, Ophidiomyces ophidiicola, Rainbow snakes, United States, fungal pathogen, fungi, mycosis, ophidiomycosis, snake fungal disease

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