NDLI: Serologic Investigation on Tick-Borne Encephalitis Virus, Kemerovo Virus and Tribeč Virus Infections in Wild Birds.

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Serologic Investigation on Tick-Borne Encephalitis Virus, Kemerovo Virus and Tribeč Virus Infections in Wild Birds.

Content Provider	Europe PMC
Author	Peňazziová, Katarína Korytár, Ľuboš Cingeľová Maruščáková, Ivana Schusterová, Petra Loziak, Alexander Pivka, Soňa Ondrejková, Anna Pistl, Juraj Csank, Tomáš
Editor	Lim, Chang-Kweng
Copyright Year	2022
Abstract	The present study reports on serosurvey on the tick-borne encephalitis virus European subtype (TBEV; genus Flavivirus), and the tick-borne Kemerovo (KEMV) and Tribeč (TRBV) orbivirus (genus Orbivirus) infections in tick-infested and non-infested birds. No virus RNA was detected in the blood clots. Birds were infested mostly by Ixodes ricinus, but Haemaphysalis concinna and I. frontalis were observed too. TBEV, KEMV and TRBV neutralising antibodies (NAb) were detected in the screening microtitration neutralisation test (μVNT). Seropositive samples were further examined in simultaneous μVNT to distinguish TBEV infection from WNV and USUV. KEMV and TRBV infections were also further examined by μVNT against each other. The demonstrated results point to increased TBEV and TRBV seroprevalence in birds over the past several years. This is the first study on KEMV infection in the Slovak bird population, and seropositive juvenile birds suggest its occurrence in a new geographic area. The results indicate the significance of tick infestation rates, seropositivity and specific NAb titre. The reservoir role of birds for TBEV, KEMV and TRBV remains unclear. However, targeted monitoring of birds and vectors is an effective measure of surveillance of arbovirus introduction into new geographic areas.
Journal	Microorganisms
Volume Number	10
PubMed Central reference number	PMC9784810
Issue Number	12
PubMed reference number	36557650
e-ISSN	20762607
DOI	10.3390/microorganisms10122397
Language	English
Publisher	MDPI
Publisher Date	2022-12-02
Access Restriction	Open
Rights License	Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). © 2022 by the authors.
Subject Keyword	tick-borne encephalitis virus Kemerovo virus Tribeč virus flavivirus tick-borne orbivirus zoonotic wild birds ticks neutralization antibodies
Content Type	Text
Resource Type	Article
Subject	Microbiology Microbiology (medical) Virology

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