Korean J Infect Dis.  1999 Feb;31(1):46-49.

Two Cases of Tsutsugamushi Disease in the Spring

Affiliations
  • 1Department of Internal Medicine, Seoul National University, College of Medicine, Seoul, Korea.
  • 2Department of Microbiology, Seoul National University, College of Medicine, Seoul, Korea.

Abstract

We report two cases of tsutsugamushi disease which occurred in the spring of 1998. One patient presented with fever, rash, lymphadenopathy and eschar. He was exposed to bush areas on March 29, 1998 and developed symptoms starting April 6, 1998. The other patient visited our hospital because of fever, headache, and vomiting which developed since May 21, 1998. Physical examination revealed rash, lymphadenopathy, and eschar. Cerebrospinal fluid was positive for Orientia tsutsugamushi by using polymerase chain reaction. Most tsutsugamushi cases occur between October and December in Korea. The seasonal variation in the incidence of tsutsugamushi disease is probably related to the life cycle of the vector mite. The frequency of Leptotrombidium pallidum, a major vector mite in Korea, shows a large peak in autumn and a smaller peak in spring. Our cases confirm that tsutsugamushi disease can occur in the spring in Korea.

Keyword

Tsutsugamushi disease; Scrub typhus; Epidemiology

MeSH Terms

Cerebrospinal Fluid
Epidemiology
Exanthema
Fever
Headache
Humans
Incidence
Korea
Life Cycle Stages
Lymphatic Diseases
Mites
Orientia tsutsugamushi
Physical Examination
Polymerase Chain Reaction
Scrub Typhus*
Seasons
Trombiculidae
Vomiting
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