TABLE. Demographic characteristics, clinical data, and laboratory test results from persons who consumed a meal that included bear meat infected with Trichinella nativa — Arizona, Minnesota, and South Dakota, 2022.
| Case status | Age, yrs, sex | Consumed bear meat | Signs and symptoms | Hospitalized | Received trichinellosis-directed treatment | WBC count, (x 1,000)/mL, (% eos)* | Creatine kinase,* units/L | Trichinella antibody test results | Metagenomic sequencing test results |
|---|---|---|---|---|---|---|---|---|---|
| Confirmed |
12, F |
Yes |
Abdominal pain, myalgias, fever, and periorbital edema |
Yes |
Yes, albendazole |
8 (37) |
2,495† |
Positive |
Positive, Trichinella species |
| Confirmed |
29, M |
Yes |
Abdominal pain, diarrhea, myalgias, fever, and periorbital edema |
Yes |
Yes, albendazole |
27 (22) |
1,040§ |
Positive |
Positive, Trichinella species |
| Probable |
29, F |
No¶ |
Myalgias and fever |
No |
No |
ND |
ND |
ND |
ND |
| Probable |
54, F |
No¶ |
Headache and myalgias |
No |
No |
ND |
ND |
Negative |
ND |
| Probable |
57, M |
Yes |
Diarrhea, myalgias, fever, and periorbital edema |
Yes |
Yes, albendazole |
13 (9) |
323** |
Negative |
ND |
| Probable |
62, M |
Yes |
Diarrhea and headache |
No |
No |
ND |
ND |
Negative |
ND |
| Negative |
14, M |
Yes |
None |
NA |
No |
ND |
ND |
ND |
ND |
| Negative | 61, F | Yes | None | NA | No | ND | ND | Negative | ND |
Abbreviations: eos = eosinophils; F = female; M = male; NA = not applicable; ND = not done; WBC = white blood cell.
* Initial results are from hospitalization during which trichinellosis was suspected. Reference ranges varied among different laboratories that conducted testing.
† Reference range = 4–88.
§ Reference range = 39–208.
¶ Consumed vegetables that were cooked and served with the bear meat.
** Reference range = 39–308.