Volume 24, Number 8—August 2018
Dispatch
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 Gomi
Table 2
Epidemiologic, clinical, and laboratory data for 21 symptomatic patients with probable or confirmed Trichinella T9 infection, Japan, December 2016*
| Characteristic |
Value |
|---|---|
| Median age, y (range) | 35 (23–58) |
| Sex | |
| F | 10 (48) |
| M |
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) |
| Uveitis |
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.
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Page updated: July 18, 2018
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