Minnesota is epicenter of nation's "largest known outbreak" of sexually transmitted ringworm, health officials say
CBS News • • health
Key Points:
- Minnesota is experiencing the nation's largest known outbreak of TMVII, a sexually transmitted fungal skin infection that causes severe ringworm, according to state health officials.
- TMVII, or trichophyton mentagrophytes genotype VII, is the only known fungal-based sexually transmitted disease and is treatable with oral antifungal medications.
- The first U.S. case was reported in New York City in 2024, with Minnesota's first case identified in July 2025; there are now over 30 confirmed or suspected cases mainly in the Twin Cities metro area.
- The infection primarily affects men who have sex with men and presents as painful, round, red rashes on the arms, buttocks, genitals, and legs
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