Case Report: Two Cases of Acute Q Fever from the Same Family Who Returned from Malawi to Japan | Zendy

Toshihiro Matsui | Zendy; Takato Nakamoto | Zendy; Kayoko Hayakawa | Zendy; Kei Yamamoto | Zendy; Keiji Nakamura | Zendy; Satoshi Kutsuna | Zendy; Maki Nagashima | Zendy; Hiroko Toriniwa | Zendy; Tomoyoshi Komiya | Zendy; Norio Ohmagari | Zendy

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Case Report: Two Cases of Acute Q Fever from the Same Family Who Returned from Malawi to Japan

Author(s) -

Toshihiro Matsui,

Takato Nakamoto,

Kayoko Hayakawa,

Kei Yamamoto,

Keiji Nakamura,

Satoshi Kutsuna,

Maki Nagashima,

Hiroko Toriniwa,

Tomoyoshi Komiya,

Norio Ohmagari

Publication year - 2019

Publication title -

american journal of tropical medicine and hygiene

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.015

H-Index - 151

eISSN - 1476-1645

pISSN - 0002-9637

DOI - 10.4269/ajtmh.19-0544

Subject(s) - coxiella burnetii , dry cough , high fever , q fever , dry season , medicine , epidemiology , pediatrics , environmental health , geography , immunology , virology , cartography

In July 2018, acute Q fever (AQF) was diagnosed in two Japanese individuals from the same family. They returned to Japan from Malawi, where the epidemiology of AQF is unknown. A child presented to the hospital with high-grade fever without any symptoms, and a mother presented with fever and dry cough. Paired serum antiphase Ⅱ IgM and IgG significantly elevated in the convalescent phase in both cases. Coxiella burnetii gene ( IS1111 ) was detected from the mother's blood sample. They had no reported direct animal contact, but the onset of symptoms coincided with the dry season in Malawi, which may have facilitated environmental dispersal. These cases may serve as an alert for high-risk people to possible AQF spread and underdiagnosis in Malawi.

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