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Case Reports in Infectious Diseases
Volume 2014 (2014), Article ID 918135, 5 pages
http://dx.doi.org/10.1155/2014/918135
Case Report

Mild Clinical Course of Severe Fever with Thrombocytopenia Syndrome Virus Infection in an Elderly Japanese Patient

1Department of Internal Medicine, Kinan Hospital, 46-70 Shinjo, Tanabe-shi, Wakayama 646-8588, Japan
2Department of Hematology/Oncology, Kinan Hospital, 46-70 Shinjo, Tanabe-shi, Wakayama 646-8588, Japan
3Department of Nursing, Kinan Hospital, 46-70 Shinjo, Tanabe-shi, Wakayama 646-8588, Japan
4Department of Central Clinical Laboratory, Kinan Hospital, 46-70 Shinjo, Tanabe-shi, Wakayama 646-8588, Japan
5Special Pathogens Laboratory, Department of Virology 1, National Institute of Infectious Diseases, 4-7-1 Gakuen, Musashimurayama, Tokyo 208-0011, Japan

Received 1 September 2014; Revised 18 November 2014; Accepted 18 November 2014; Published 4 December 2014

Academic Editor: Gernot Walder

Copyright © 2014 Yuko Ohagi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious and hemorrhagic disease recently described in China and western Japan. A 71-year-old healthy Japanese woman noticed a tick biting her after harvesting in an orchard and removed it herself. She developed diarrhea, anorexia, and chills eight days later. Because these symptoms continued, she visited a primary care physician 6 days after the onset. Laboratory data revealed thrombocytopenia, leukocytopenia, and elevated liver enzymes. She was then referred to our hospital. Although not completely fulfilling the diagnostic criteria used in a retrospective study in Japan, SFTS was suspected, and we detected SFTS virus in the patient’s blood using RT-PCR. However, she recovered without intensive treatment and severe complications 13 days after the onset. In this report, we present a mild clinical course of SFTS virus infection in Japan in detail.