The Eschar Size and Early Inoculation Lesion of Tsutsugamushi Disease on Jeju Island, Korea.

Background: Tsutsugamushi disease, or scrub typhus, is an acute febrile illness caused by , which is followed by chronic latent infection. People who reside in areas endemic of tsutsugamushi disease may be frequently reinfected with this organism. Volunteers who are experimentally reinfected with manifest various systemic and local reactions, including the presence of small-sized eschar.