Well being officers in Minnesota say the state is seeing an outbreak of a brand new, sexually transmitted fungal pores and skin an infection.
The an infection is brought on by Trichophyton mentagrophytes kind VII (TMVII), a fungus that causes ringworm—spherical, coin-like rashes which might be crimson and irritated—on the arms, buttocks, trunk, genitals, and legs. TMVII spreads by skin-to-skin contact, together with sexual contact. Spores from the fungus also can unfold on surfaces.
The Minnesota Division of Well being (MDH) says the primary case in Minnesota was confirmed in July 2025 in a Twin Cities resident who sought therapy for a genital rash. Since then, the state has recognized 13 confirmed circumstances and 27 suspected circumstances, all throughout the Twin Cities metropolitan space, in response to a doc shared with reporters.
“The primary circumstances of TMVII in Minnesota had been recognized by astute clinicians who proactively notified the well being division and requested confirmatory testing,” MDH mentioned. “In response to a number of people in search of care and offering info on different people that will even have been contaminated, MDH established an enhanced surveillance system to determine circumstances in Minnesota.”
The first case of TMVII in the US was reported in New York in 2024, in a person who reported a number of male sexual companions whereas touring in Europe. Stories from Europe point out the an infection has been circulating regionally amongst males who’ve intercourse with males (MSM). In response to the Facilities for Illness Management and Prevention, circumstances have been recognized in a number of US cities since then.
It’s unclear if the cluster of circumstances in Minnesota is the most important identified outbreak within the nation, since TMVII is a not a reportable an infection and different US jurisdictions don’t have good surveillance knowledge. TMVII can be troublesome to diagnose, because the rash may be mistaken for different pores and skin infections.
Immediate therapy suggested
State well being officers are advising individuals who see indicators according to TMVII rashes to hunt immediate therapy. Though the an infection is treatable with oral antifungal drugs, sufferers could require as much as three months of therapy. Some sufferers could develop painful and protracted rashes that may result in scarring and worsening infections with out immediate therapy.
Individuals with new rashes according to TMVII are additionally being urged to tell their sexual companions, keep away from skin-to-skin contact (together with sexual contact), and keep away from sharing private objects such clothes, towels, and bedding.
Well being care suppliers within the state are being suggested to contemplate TMVII in sufferers who’ve ringworm that’s both related to reported sexual contact, or seems within the arms, buttocks, trunk, genitals, and legs. MDH can be asking well being care suppliers to report all suspected circumstances, and to ship fungal isolates to the state’s public well being laboratory for confirmatory testing.
Whereas the general public well being threat is low, state well being officers say MSM, individuals who use nameless apps, and other people with a historical past of sexually transmitted infections could also be at greater threat.

