Ringworm.

(From The Korea Herald)

By Chung Hae-shin Ringworm is the common name for a skin infection. A fungus (a microscopic, plantlike organism), not a worm, causes it. Several different types of fungi can cause ringworm infections. Characteristically, ringworm appears as reddish, scaly rings with clear centers. Frequently, they may cause blistering, oozing, scaly and cracked skin. In persistent cases, the fungi can attack the fingernails and toenails, leading to yellow, thick, distorted crumbling and loose nails. Fungal infections often cause itching and burning that, along with nail disfigurement, usually cause sufferers to seek medical attention.

Dermatologists …