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Volume 24, Number 8—August 2018

Outbreak of Trichinella T9 Infections Associated with Consumption of Bear Meat, Japan

Katsushige Tada, Hiromichi Suzuki, Yosuke Sato, Yasuyuki Morishima, Isao Nagano, Haruhiko Ishioka, and Harumi GomiComments to Author 
Author affiliations: Mito Kyodo General Hospital, University of Tsukuba, Mito, Japan (K. Tada, H. Ishioka, H. Gomi); Tsukuba Medical Center Hospital, Tsukuba, Japan (H. Suzuki); Ibaraki Prefecture Mito Health Center, Mito (Y. Sato); National Institute of Infectious Diseases, Tokyo, Japan (Y. Morishima); Gifu University, Gifu, Japan (I. Nagano)

Main Article

Table 2

Epidemiologic, clinical, and laboratory data for 21 symptomatic patients with probable or confirmed Trichinella T9 infection, Japan, December 2016*

Median age, y (range) 35 (23–58)
F 10 (48)
11 (52)
Consumed >3 slices of infected bear meat
13 (62)
Median incubation period, d (range)
19 (6–34)
Signs and symptoms
Fever 20 (95)
Rash 21 (100)
Myalgia 17 (81)
Fatigue 9 (43)
Facial edema 10 (48)
Peripheral edema 9 (43)
Diarrhea 5 (24)
Conjunctivitis 9 (43)
2 (10)
Median duration from date of eating bear meat to date of blood sampling, d (range) 23 (12–27)
Median leukocyte count, cells/L (range) 7.2 × 109 (3.9 × 109 to 16.9 × 109)
Median eosinophil count, cells/L (range) 1.0 × 109 (0.1 × 109 to 4.3 × 109)
Median aspartate aminotransferase level, IU/L (range) 24 (12–41)
Median alanine aminotransferase level, IU/L (range) 22 (9–73)
Median creatine kinase level, IU/L (range) 147 (57–786)
Median C-reactive protein level, mg/L (range) 9.4 (0.4–67.5)

*Laboratory data were obtained at initial presentation. Values are no. (%) patients except as indicated.

Main Article

Page created: July 18, 2018
Page updated: July 18, 2018
Page reviewed: July 18, 2018
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