European Researchers Trace 25 Dermatophilosis Cases to MSM Sexual Networks as WHO Sees Low Epidemic Risk
Updated
Updated · STAT · May 11
European Researchers Trace 25 Dermatophilosis Cases to MSM Sexual Networks as WHO Sees Low Epidemic Risk
4 articles · Updated · STAT · May 11
French and Spanish clinicians have identified clusters of dermatophilosis in men who have sex with men, including 25 confirmed cases tied to Lyon and additional cases reported in Barcelona and Berlin.
Genetic sequencing linked eight Lyon samples and nine Barcelona samples closely enough to suggest person-to-person spread after a single introduction into sexual networks rather than exposure to livestock.
Saunas emerged repeatedly in case histories—eight of nine Barcelona patients and most French patients reported visits before symptoms—though researchers say the venues' role remains a hypothesis tied to the bacterium's preference for humid settings.
All diagnosed infections so far have been mild rashes or pustules, usually resolving on their own or with antibiotics, but doctors say the condition is likely underdiagnosed and could pose more risk in immunocompromised people.
WHO said the chance of dermatophilosis escalating into an epidemic is low for now, while urging sexual health clinics to test unexplained skin lesions and venue operators and patrons to improve hygiene.
How did a common livestock disease jump to humans and become sexually transmissible in Europe?
Is this mild rash a silent warning of a deadlier threat for immunocompromised populations?