Absence of serological evidence for WNV presence in symptomatic patients in Poland

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Ethical approval

The study was approved by the Bioethical Commission of Medical University of Bialystok. All patients signed written informed consent for the study.

Disclosure statement

All authors declare no conflict of interests.

Authors' contributions

Anna Moniuszko-Malinowska collected samples, prepared the manuscript, co-worked with scientists from Austria. Justyna Dunaj collected samples, prepared the manuscript. Piotr Czupryna collected samples and helped in manuscript preparation. Monika Król performed a critical review of manuscript. Sambor Grygorczuk collected samples. Renata Świerzbińska performed the analyses. Sławomir Pancewicz collected samples, created the idea, sponsored the research.