Epidemic Measures Children and parents should be eduated about modes of spread, prevention, and the necessity of maintaining a high standard of personal hygiene. Ringworm is a fungal infection that can affect any part of the body. The incubation period lasts from one to three weeks. It varies with the site of infection. The infectious period lasts as long as the condition persists.
Ringworm is spread by direct and indirect contact with humans, animals, and soil.
Cattle and horses may be infected. This appears as a flat, spreading, circular lesion. The outer edge is usually reddish. It often contains fluid or pus, but may also be dry and scaly or moist and crusted. Single or multiple rings may appear.