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Volume 31, Number 11—November 2025
Research
Tickborne Neoehrlichia mikurensis in the Blood of Blood Donors, Norway, 2023
Hanne Quarsten
, Charlotte N.B. Ryen, Linn K.T. Mørk, Christine Wennerås, and Christine T. Steinsvåg
, Charlotte N.B. Ryen, Linn K.T. Mørk, Christine Wennerås, and Christine T. Steinsvåg
Table 1
Seasonal distribution of Neoehrlichia mikurensis DNA found in blood donors, Norway, 2023*
| Sample | No. (%) Neoehrlichia mikurensis DNA–positive blood donors |
|||
|---|---|---|---|---|
| March–April, n = 175 | May–June, n = 206 | August–September, n = 118 | p value | |
| Index sample | 17 (9.7) | 16 (7.8) | 12 (10) | 0.71 |
| Follow-up sample | 12 (6.9) | 12 (5.8) | 7 (5.9) | 0.91 |
| Difference, index to follow-up | 5 (2.9) | 4 (1.9) | 5 (4.2) | 0.63 |
*p values determined by χ2 test.
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Page updated: November 14, 2025
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