A5015405869- Mosquito-borne diseases and control
- Viral Infections and Vectors
- Malaria Research and Control
- Vector-borne infectious diseases
- Insect symbiosis and bacterial influences
- Virology and Viral Diseases
- Rabies epidemiology and control
- Insect and Pesticide Research
- Psychology of Moral and Emotional Judgment
- COVID-19 epidemiological studies
- Genomics and Phylogenetic Studies
- SARS-CoV-2 and COVID-19 Research
- Animal Disease Management and Epidemiology
- Vector-Borne Animal Diseases
- Zoonotic diseases and public health
Friedrich-Loeffler-Institut
2021-2024
West Nile virus (WNV) and Usutu (USUV) are important flaviviruses circulating in Germany. While USUV was first reported more than 10 years ago, WNV has only reached the country 2018. Wild birds amplifying hosts for both viruses. Therefore, we have been monitoring bird population different regions of Germany by a previously established network many years. This report summarizes results molecular and/or serological methods 2345 blood samples from 22 orders over 2900 carcasses 2019 2020. RNA...
Following the introduction of West Nile virus (WNV) into eastern Germany in 2018, increasing infections have been diagnosed birds, equines, and humans over time, while spread WNV western remained unclear. We screened 437 equine sera from 2018 to 2020, excluding vaccinated horses, collected convenience sampled patients parts Germany, for WNV-specific antibodies (ELISAs followed by virus/specific neutralization tests) genomes (RT-qPCRs). Clinical presentations, final diagnoses, demographic...
West Nile virus (WNV) is known to cause disease and death in humans various animals worldwide. WNV has circulated Germany since 2018. In 2020, four birds tested positive for the genome at Zoopark Erfurt (Thuringia). Moreover, neutralization assays detected neutralizing antibodies (nAb) against 28 birds. addition, nAb Usutu (USUV) were found 14 To protect valuable reduce risk of viral transmission from humans, we performed a field study on vaccination zoo. conduct study, 61 zoo categorized...
Usutu virus (USUV) and West Nile (WNV) are closely related pathogens circulating between mosquitoes birds, but also infecting mammals as dead-end hosts. Both viruses share the same susceptible hosts, vectors, even distribution areas in Central Europe. The aim of study was, therefore, to understand their amplification potential interference upon a successive infection. Two-week old geese were initially infected with an USUV isolate from Germany German WNV isolate17 days later. infections,...
Usutu virus (USUV) and West Nile (WNV) are known to cause diseases mortalities in bird populations. Since 2010/2011, USUV has circulated Germany spread nationwide, while WNV was only introduced into East 2018. The zoological garden investigated is located Northern Germany, where infections wild birds have been detected for several years. In this longitudinal study conducted over a four-year period, zoo were sampled biannually screened molecular serological evidence of WNV. genomes eight the...
Usutu virus (USUV) is a mosquito-borne flavivirus that widely distributed in southern and central Europe. The zoonotic circulates primarily between birds mosquitoes, can, however, rare cases infect other mammals including humans. In the past, USUV has been repeatedly associated with mass mortalities birds, blackbirds owls. Birds commonly succumb either due to peracute nature of infection or severe encephalitis. Germany, spread rapidly since its first detection 2010 mosquitoes under presence...
Abstract Background Usutu virus (USUV) and West Nile (WNV) are zoonotic arthropod-borne orthoflaviviruses. The enzootic transmission cycles of both include Culex mosquitoes as vectors birds amplifying hosts. For more than ten years, these viruses have been monitored in Germany by a multidisciplinary network. While USUV is present nationwide, WNV used to be restricted the central-east. Methods In 2021 2022, over 2300 live bird blood samples organs from 3000 deceased were subjected molecular...
Usutu virus (USUV) and West Nile (WNV) are zoonotic arthropod-borne orthoflaviviruses. The enzootic transmission cycles of both include
West Nile virus (WNV) is an emerging infectious pathogen circulating between mosquitoes and birds but also infecting mammals. WNV has become autochthonous in Germany, causing striking mortality rates avifauna occasional diseases humans horses. We therefore wanted to assess the possible role of free-ranging poultry transmission cycle infected 15 goslings with lineage 2 (German isolate). The geese were monitored daily sampled regularly determine viremia, viral shedding, antibody development by...
Usutu virus (USUV) is a mosquito-borne zoonotic and one of the causes flavivirus encephalitis in birds occasionally humans. USUV rapidly disperses susceptible host vector environment, as case South Central Europe. However, compared to other flaviviruses, has received less research attention there therefore limited access whole-genome sequences also in-depth phylogenetic phylodynamic analyses. To ease future molecular studies, this study compares first- (partial sequencing via Sanger),...
Abstract Usutu virus (USUV) is a mosquito-borne flavivirus that widely distributed in southern and central Europe. The zoonotic circulates primarily between birds mosquitoes, can, however, rare cases infect other mammals including humans. In the past USUV has been associated with mass mortalities birds, formerly blackbirds owls. Birds commonly succumb either due to peracute nature of infection or severe encephalitis. Germany, spread rapidly since its first detection 2010 mosquitoes under...
Ticks and tick-borne pathogens (TBPs) are a threat to human animal health worldwide. A structured questionnaire was used assess the knowledge, attitudes/practices, perceptions (KAP) of 86 farmers extensive sheep farming systems across different agro-ecological areas in Tunisia. The response rate about 91.3%. Overall, 68.5% questions referring knowledge were answered correctly. Indeed, half respondents aware that ticks infest animals, with weight loss given as major consequence. However, more...
Zusammenfassung Das West-Nil-Virus (WNV) ist ein von Mücken übertragenes virales Pathogen mit weltweiter Bedeutung und eines der am meisten verbreiteten Flaviviren. Infektionen dem WNV wurden erstmalig im Jahr 2018 in Deutschland nachgewiesen sind aufgrund zunehmend milderen Winter feuchtwarmem Frühjahr Zukunft häufiger zu erwarten. zirkuliert hauptsächlich einem enzootischen Zyklus zwischen ornithophilen bestimmten Wildvogelarten. Menschen Pferde Fehlwirte („dead-end hosts”) einer...
Einleitung Usutu-Virus (USUV) und West-Nil-Virus (WNV) sind zwischen Mücken Vögeln zirkulierende verwandte Pathogene, die aber auch Säugetiere als Fehlwirte infizieren können. Da sich USUV WNV gleichen Wirte, Vektoren Verbreitungsgebiete teilen, ist das Amplifikationspotential Interferenz dieser Viren nach aufeinanderfolgender Infektion von großem Interesse.
Einleitung Usutu-Virus (USUV) und West-Nil-Virus (WNV) sind zwischen Mücken Vögeln zirkulierende verwandte Pathogene, die aber auch Säugetiere als Fehlwirte infizieren können. Da sich USUV WNV gleichen Wirte, Vektoren Verbreitungsgebiete teilen, ist das Amplifikationspotential Interferenz dieser Viren nach aufeinanderfolgender Infektion von großem Interesse.
Einleitung Seit 2018 das West-Nil-Virus (WNV) erstmals in Deutschland detektiert wurde, folgen zunehmend mehr Nachweise bei Vögeln, Pferden und Menschen im Osten des Landes. Um Einhergehen von WNV-Infektionen mit einer klinischen Symptomatik zu erfassen die Seroprävalenz der Pferdepopulation untersuchen, wurden Pferde den Jahren bis 2020 stichprobenartig aus zwei Regionen Deutschlands untersucht. Panel A (BE/BB) lag einem nachweislich bekannten WNV-Endemiegebiet sowie B (NRW) bisher noch...