Acknowledgments
We would like to extend our deepest gratitude to professor Christine Wennerås and her team at the Department of Clinical Microbiology at Sahlgrenska University Hospital, Göteborg, Sweden, for performing the CNM and Anaplasma PCR used for this study. Further, we would like to thank the laboratory personnel at the Department of Virus and Microbiological Special Diagnostics at Statens Serum Institut in Copenhagen, Denmark, for performing the serological analyses.
Ethical approval
The study was approved by the Lund University ethical committee (LU 237-93).
Disclosure statement
The authors declare no conflicts of interest.