Incidence: Incidence of infection is occasional.
Transmission: Transmission occurs by direct contact.
Incidence: There is a high incidence of the carrier state, with low incidence of disease.
Clinical Signs: A crusty, pruritic, patchy alopecia on the head which spreads to the paws and other parts of the body is typical (see photo). Secondary bacterial infections are common.
Diagnosis: Perform skin scrapings from the periphery of lesions cleared in 10% KOH to examine for arthrospores. Inoculate DTM agar and characterize hyphae. Use silver or PAS stains to look for arthrospores in section.
Public Health Significance: Rabbits can transmit the disease to humans.