Georg Gerhard Duscher
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View article: Assessing rapid response mobile laboratory (RRML) capacities in Europe and Africa to improve One Health disease surveillance activities and pandemic preparedness across two continents
Assessing rapid response mobile laboratory (RRML) capacities in Europe and Africa to improve One Health disease surveillance activities and pandemic preparedness across two continents Open
Background Europe and Africa are increasingly affected by (re-)emerging risk group 3 and 4, zoonotic viral disease epidemics, which not only require diagnostic BSL-3/4 laboratory capacity but also a One Health-based control strategy for ef…
View article: Retrospective Cross‐Sectional Study of Occupational Infection Risk With Zoonotic Pathogens in Austrian Veterinary Practitioners in the Year 2022
Retrospective Cross‐Sectional Study of Occupational Infection Risk With Zoonotic Pathogens in Austrian Veterinary Practitioners in the Year 2022 Open
Objective The aim of the study was to determine the prevalence of antibodies against hepatitis E virus (HEV), tick‐borne encephalitis virus (TBEV), West Nile virus (WNV), Crimean–Congo haemorrhagic fever (CCHF) virus, rabies virus, Echinoc…
View article: Peritrophic matrix: an important determinant of vector competence in hematophagous arthropods
Peritrophic matrix: an important determinant of vector competence in hematophagous arthropods Open
The peritrophic matrix (PM) is a non-cellular, glycan-rich structure that lines the gut epithelium of most invertebrates, including arthropod vectors that transmit diseases of public health and veterinary concern. This semipermeable barrie…
View article: Hyalomma marginatum - A silent stowaway after vacation at the Adriatic Sea
Hyalomma marginatum - A silent stowaway after vacation at the Adriatic Sea Open
Hyalomma marginatum is an invasive tick species capable of transmitting pathogens that cause severe diseases such as Crimean-Congo hemorrhagic fever. In Austria, H. marginatum occurs sporadically, and migratory birds are believed to bring …
View article: Aerosolic Application of Phages Against <i>S. infantis</i> on Plates and Chicken Skin
Aerosolic Application of Phages Against <i>S. infantis</i> on Plates and Chicken Skin Open
Phages are known as a promising method to combat antimicrobial resistance (AMR) in the human and veterinary sector. Use of phage aerosols enormously increases the application field, although the impact on the infectivity of phages during n…
View article: Occurrence of Thelazia callipaeda and its vector Phortica variegata in Austria and South Tyrol, Italy, and a global comparison by phylogenetic network analysis
Occurrence of Thelazia callipaeda and its vector Phortica variegata in Austria and South Tyrol, Italy, and a global comparison by phylogenetic network analysis Open
The zoonotic nematode Thelazia callipaeda infects the eyes of domestic and wild animals and uses canids as primary hosts. It was originally described in Asia, but in the last 20 years it has been reported in many European countries, where …
View article: Hyalomma spp. in Austria—The Tick, the Climate, the Diseases and the Risk for Humans and Animals
Hyalomma spp. in Austria—The Tick, the Climate, the Diseases and the Risk for Humans and Animals Open
Recently, ticks of Hyalomma spp. have been found more often in areas previously lacking this tick species. Due to their important role as a vector of different diseases, such as Crimean-Congo-hemorrhagic fever (CCHF), the occurrence and po…
View article: Origins, phylogenetic relationships and host-parasite interactions of Troglotrematoidea since the cretaceous
Origins, phylogenetic relationships and host-parasite interactions of Troglotrematoidea since the cretaceous Open
In the current study, we raise the issue concerning origins and historical relationships of the trematodes from the families Troglotrematidae and Paragonimidae using phylogenetic analysis and molecular-clock method for estimating evolution…
View article: Novel Protozoans in Austria Revealed through the Use of Dogs as Sentinels for Ticks and Tick-Borne Pathogens
Novel Protozoans in Austria Revealed through the Use of Dogs as Sentinels for Ticks and Tick-Borne Pathogens Open
We previously isolated and cultivated the novel Rickettsia raoultii strain Jongejan. This prompted us to ask whether this strain is unique or more widely present in Austria. To assess this issue, we retrospectively screened ticks collected…
View article: A potential zoonotic threat: First detection of <i>Baylisascaris procyonis</i> in a wild raccoon from Austria
A potential zoonotic threat: First detection of <i>Baylisascaris procyonis</i> in a wild raccoon from Austria Open
Baylisascaris procyonis is a common gastrointestinal parasite of raccoons (Procyon lotor) in their native range, and both have been introduced to Europe. Humans may ingest ascarid eggs shed via the racoons' faeces, and this could lead to s…
View article: Zoonotic Pathogens in Ticks from Migratory Birds, Italy
Zoonotic Pathogens in Ticks from Migratory Birds, Italy Open
Migratory birds can transport infected ticks across continents. We evaluated pathogens in ticks collected from migratory birds in Italy. We found DNA from Rickettsia aeschlimannii, R. africae, and R. raoultii bacteria, all of which can cau…
View article: Infection with Toxocara canis Inhibits the Production of IgE Antibodies to α-Gal in Humans: Towards a Conceptual Framework of the Hygiene Hypothesis?
Infection with Toxocara canis Inhibits the Production of IgE Antibodies to α-Gal in Humans: Towards a Conceptual Framework of the Hygiene Hypothesis? Open
α-Gal syndrome (AGS) is a type of anaphylactic reaction to mammalian meat characterized by an immunoglobulin (Ig)E immune response to the oligosaccharide α-Gal (Galα1-3Galβ1-4GlcNAc-R). Tick bites seems to be a prerequisite for the onset o…
View article: Current trends in canine dirofilariosis in Austria—do we face a pre-endemic status?
Current trends in canine dirofilariosis in Austria—do we face a pre-endemic status? Open
A retrospective study based on cases of canine dirofilariosis presented to the University of Veterinary Medicine, Vienna or diagnosed by private practitioners throughout Austria, from 1998 to 2018 was conducted to investigate the long-term…
View article: Unnoticed arrival of two dipteran species in Austria: the synanthropic moth fly Clogmia albipunctata (Williston, 1893) and the parasitic bird louse fly Ornithoica turdi (Olivier in Latreille, 1811)
Unnoticed arrival of two dipteran species in Austria: the synanthropic moth fly Clogmia albipunctata (Williston, 1893) and the parasitic bird louse fly Ornithoica turdi (Olivier in Latreille, 1811) Open
In the framework of a mosquito-monitoring program conducted from 2014 to 2018, non-culicid dipteran bycatch was identified to species-level with a focus on Diptera of medical and veterinary importance as part of a biodiversity initiative a…
View article: Tick Bites Induce Anti-α-Gal Antibodies in Dogs
Tick Bites Induce Anti-α-Gal Antibodies in Dogs Open
Due to the functional inactivation of the gene encoding for the enzyme that is involved in the oligosaccharide galactose-α-1,3-galactose (α-Gal) synthesis, humans and Old-World primates are able to produce a large amount of antibodies agai…
View article: <i>Candidatus</i> Neoehrlichia sp. (FU98) and <i>Borrelia burgdorferi</i> Sensu Lato in Red Foxes ( <i>Vulpes vulpes</i> ) from Serbia
<i>Candidatus</i> Neoehrlichia sp. (FU98) and <i>Borrelia burgdorferi</i> Sensu Lato in Red Foxes ( <i>Vulpes vulpes</i> ) from Serbia Open
Human activities such as deforestation, urbanization, and environmental pollution lead to a reduction in the spatial boundary between wild animals, domestic animals and humans. These activities increase the risk for the emergence of pathog…
View article: Environmental and Molecular Drivers of the α-Gal Syndrome
Environmental and Molecular Drivers of the α-Gal Syndrome Open
The α-Gal syndrome (AGS) is a type of allergy characterized by an IgE antibody (Ab) response against the carbohydrate Galα1-3Galβ1-4GlcNAc-R (α-Gal), which is present in glycoproteins from tick saliva and tissues of non-catarrhine mammals.…
View article: The first autochthonous case of feline ocular thelaziosis in Austria
The first autochthonous case of feline ocular thelaziosis in Austria Open
Over the last 30 years, Thelazia callipaeda (Spirurida: Thelaziidae) has increasingly been reported as an agent of ocular infections in animals and humans throughout Europe. Following the cases of canine ocular thelaziosis recently recorde…
View article: Hunting Poses Only a Low Risk for Alveolar Echinococcosis
Hunting Poses Only a Low Risk for Alveolar Echinococcosis Open
The Austrian province of Tyrol belongs to the areas where the alveolar echinococcosis (AE) caused by the fox tapeworm Echinococcus multilocularis (E. multilocularis) is highly endemic. In Central Europe and since 2011 in Austria, a growing…
View article: Adult Hyalomma marginatum tick positive for Rickettsia aeschlimannii in Austria, October 2018
Adult Hyalomma marginatum tick positive for Rickettsia aeschlimannii in Austria, October 2018 Open
We report on a non-indigenous adult Hyalomma marginatum tick in Austria carrying the human pathogenic Rickettsia aeschlimannii ; presumably introduced as a nymph via migratory birds and completed the moulting within the same year. It was n…
View article: Some aspects on tick species in Mongolia and their potential role in the transmission of equine piroplasms, Anaplasma phagocytophilum and Borrelia burgdorferi L.
Some aspects on tick species in Mongolia and their potential role in the transmission of equine piroplasms, Anaplasma phagocytophilum and Borrelia burgdorferi L. Open
Ticks are cosmopolitan vectors of numerous diseases, and detection of various pathogens in ticks can help to assess their distribution. In the current study, 528 adult ticks were collected from grazing animals or the ground in ten differen…
View article: Crimean–Congo Hemorrhagic Fever Virus and Borrelia burgdorferi sensu lato in Ticks from Kosovo and Albania
Crimean–Congo Hemorrhagic Fever Virus and Borrelia burgdorferi sensu lato in Ticks from Kosovo and Albania Open
Tick-borne diseases pose a serious threat to human health in South-Eastern Europe, including Kosovo. While Crimean-Congo hemorrhagic fever (CCHF) is a well-known emerging infection in this area, there are no accurate data on Lyme borrelios…
View article: Xenomonitoring of Mosquitoes (Diptera: Culicidae) for the Presence of Filarioid Helminths in Eastern Austria
Xenomonitoring of Mosquitoes (Diptera: Culicidae) for the Presence of Filarioid Helminths in Eastern Austria Open
Information on mosquito-borne filarioid helminths in Austria is scarce, but recent discoveries of Dirofilaria repens indicate autochthonous distribution of this parasite in Eastern Austria. In the current xenomonitoring study, more than 48…
View article: Contributions to the phylogeny of Ixodes (Pholeoixodes) canisuga, I. (Ph.) kaiseri, I. (Ph.) hexagonus and a simple pictorial key for the identification of their females
Contributions to the phylogeny of Ixodes (Pholeoixodes) canisuga, I. (Ph.) kaiseri, I. (Ph.) hexagonus and a simple pictorial key for the identification of their females Open
A simple, illustrated identification key is provided for female Pholeoixodes ticks of carnivores (including I. hexagonus and I. rugicollis) to prevent future misidentification of these species. It is also shown that I. kaiseri is more wide…
View article: Eurasian golden jackal as host of canine vector-borne protists
Eurasian golden jackal as host of canine vector-borne protists Open
Apparently, expanding populations of jackals can play a significant role in spreading and maintaining new Babesia canis foci in Central Europe. The role of jackals in the epidemiology of "Theileria annae" and H. canis is probably similar t…