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Volume 31, Number 11—November 2025

Research

Tickborne Neoehrlichia mikurensis in the Blood of Blood Donors, Norway, 2023

Hanne QuarstenComments to Author , Charlotte N.B. Ryen, Linn K.T. Mørk, Christine Wennerås, and Christine T. Steinsvåg
Author affiliation: Sørlandet Hospital, Kristiansand, Norway (H. Quarsten, C.N.B. Ryen, L.K.T. Mørk, C.T. Steinsvåg); Sahlgrenska Academy at the University of Gothenburg and Sahlgrenska University Hospital, Göteborg, Sweden (C. Wennerås)

Main Article

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.

Main Article

Page created: September 26, 2025
Page updated: December 10, 2025
Page reviewed: December 10, 2025
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