Epidemiological Alert: Dermatophilosis by Dermatophilus congolensis - 9 July 2026

Considering the identification of cases of dermatophilosis caused by Dermatophilus congolensis in people with no history of contact with animals, in particular in men who have sex with men, suggesting the possibility of a new route of transmission for this disease (human-to-human transmission through sexual contact), associated with a possible new species of Dermatophilus, the Pan American Health Organization / World Health Organization (PAHO/WHO) shares updated technical guidance to support Member States in laboratory preparation and diagnosis, infection prevention and control measures, and clinical case management.