Only in Japan - SUMO HERPES.

Extreme form of herpes hitting sumo wrestlers | Japan Probe:

"AFP reports that a severe strain of herpes simplex virus type 1 of herpes is hitting sumo wrestlers in Japan:

Known as Herpes gladiatorum, or scrumpox, it causes painful, virus-filled blisters to form on the face and the neck that can damage the skin. Fever, headaches and an infection of the lymph nodes can also result."