Publications

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chronic west nile virus infection in kea (nestor notabilis).six kea (nestor notabilis) in human care, naturally infected with west nile virus (wnv) lineage 2 in vienna, austria, in 2008, developed mild to fatal neurological signs. wnv rna persisted and the virus evolved in the birds' brains, as demonstrated by (phylo)genetic analyses of the complete viral genomes detected in kea euthanized between 2009 and 2014. wnv antibodies persisted in the birds, too. chronic wnv infection in the brain might contribute to the circulation of the virus through oral tra ...201626790946
west nile virus positive blood donation and subsequent entomological investigation, austria, 2014.the detection of west nile virus (wnv) nucleic acid in a blood donation from vienna, austria, as well as in culex pipiens pupae and egg rafts, sampled close to the donor's residence, is reported. complete genomic sequences of the human- and mosquito-derived viruses were established, genetically compared and phylogenetically analyzed. the viruses were not identical, but closely related to each other and to recent czech and italian isolates, indicating co-circulation of related wnv strains within ...201525961567
explaining usutu virus dynamics in austria: model development and calibration.usutu virus (usuv), a flavivirus of the japanese encephalitis virus complex, was for the first time detected outside africa in the region around vienna (austria) in 2001 by weissenböck et al. [weissenböck, h., kolodziejek, j., url, a., lussy, h., rebel-bauder, b., nowotny, n., 2002. emergence of usutu virus, an african mosquito-borne flavivirus of the japanese encephalitis virus group, central europe. emerg. infect. dis. 8, 652-656]. usuv is an arthropod-borne virus (arbovirus) circulating betwe ...200818314208
detection and molecular analysis of west nile virus infections in birds of prey in the eastern part of austria in 2008 and 2009.the emergence of west nile virus (wnv) was expected in austria since the initial discovery of the infection in neighbouring hungary in 2003/2004. in 2008 six cases of west nile disease were diagnosed at the institute for veterinary disease control mödling, austrian agency for health and food safety (ages), involving five goshawks (accipiter gentilis) and one gyrfalcon (falco rusticolus), which were found dead in the eastern austrian federal states of lower austria, vienna and styria, respectivel ...201021276665
west nile virus lineage 2 infection in a blood donor from vienna, austria, august 2014.eastern austria is neighbouring regions with ongoing west nile virus (wnv) transmissions. three human wnv infections had been diagnosed during the past decade in austria. the austrian red cross blood service (arc-bs) started a first voluntary screening for wnv in blood donors from eastern austria by nucleic acid testing (nat) in june 2014. this is also the most extensive wnv surveillance programme in humans in austria so far. in august 2014, one autochthonous wnv infection was detected in a bloo ...201525728073
low usutu virus seroprevalence in four zoological gardens in central europe.usutu virus (usuv), a mosquito-borne flavivirus of the japanese encephalitis virus antigenic group, caused bird die-offs in austria, hungary and switzerland between 2001 and 2009. while the zoological gardens of vienna and zurich recorded usuv-associated mortality in different species of birds during this period, incidences in budapest were limited to areas outside the zoo, and in the greater basel area avian mortality due to usuv infection was not observed at all. the objectives of this investi ...201323919825
mosquitoes (diptera: culicidae) and their relevance as disease vectors in the city of vienna, austria.mosquitoes (diptera: culicidae) are important vectors for a wide range of pathogenic organisms. as large parts of the human population in developed countries live in cities, the occurrence of vector-borne diseases in urban areas is of particular interest for epidemiologists and public health authorities. in this study, we investigated the mosquito occurrence in the city of vienna, austria, in order to estimate the risk of transmission of mosquito-borne diseases. mosquitoes were captured using di ...201425468380
simulation of climate-change scenarios to explain usutu-virus dynamics in austria.the emergence and spread of infectious diseases in mid-latitudes, so far mainly observed in the tropics, considerably increase under the current situation of climate change. a recent example is the usutu virus (usuv) outbreak in austria. usuv is closely related to the west nile virus in the u.s. and caused mass mortalities mainly of blackbirds (turdus merula). the usuv flavivirus persists in a natural transmission cycle between vectors (mosquitoes) and host reservoirs (birds) and leads - once en ...200918715663
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