West Nile Virus Fast Facts

View CNN's West Nile Virus Fast Facts for symptoms and statistics about the disease spread by infected mosquitoes.
Source: CNN.com - Health - Category: Consumer Health News Source Type: news

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In Caldwell, Idaho, on the Snake River in Western Idaho, Dr. Carolyn Rees tells us that she was at ground zero during a West Nile Virus epidemic “leaving many people with post-encephalitic brain damage”. A review of the research literature on WNV includes a number of studies now documenting enduring memory and other cognitive losses as a predictable outcome of a WNV infection. The prevalence of this kind of virus (an “arborvirus”) is growing continuously in the US. The disease is primarily spread via mosquito-transmitted infections in birds. Where the disease has had a long history, some mammals are...
Source: On the Brain by Dr. Michael Merzenich, Ph.D. - Category: Neuroscience Authors: Tags: Aging and the Brain Alzheimer’s Brain Fitness Brain Trauma, Injury BrainHQ Cognitive impairments Posit Science Source Type: blogs
Gil Oliva Single-stranded positive RNA ((+) ssRNA) viruses include several important human pathogens. Some members are responsible for large outbreaks, such as Zika virus, West Nile virus, SARS-CoV, and SARS-CoV-2, while others are endemic, causing an enormous global health burden. Since vaccines or specific treatments are not available for most viral infections, the discovery of direct-acting antivirals (DAA) is an urgent need. Still, the low-throughput nature of and biosafety concerns related to traditional antiviral assays hinders the discovery of new inhibitors. With the advances of reverse genetics, reporter re...
Source: Viruses - Category: Virology Authors: Tags: Review Source Type: research
Vector-borne infectious diseases (VBDs) represent a major public health concern worldwide. Among VBDs, West Nile virus (WNV) showed an increasingly wider spread in temperate regions of Europe, including Italy....
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
We present a patient with WNVND during therapy with rituximab, and a review of the literature for previous similar cases with the goal to describe the clinical spectrum of WNVND in patients treated specifically with rituximab. Our review indicates that the most common initial complaints are fever and altered mental status, brain magnetic resonance imaging often shows bilateral thalamic hyperintensities, and cerebrospinal analysis consistently reveals mild lymphocytic pleocytosis with elevated protein, positive WNV polymerase chain reaction, and negative WNV antibodies. Treatment is usually supportive care, with intravenous...
Source: Journal of NeuroVirology - Category: Neurology Source Type: research
ml;cken W Abstract Flaviviruses replicate in membranous factories associated with the endoplasmic reticulum (ER). Significant levels of flavivirus polyprotein integration contribute to ER stress and the host cell may exhibit an Unfolded Protein Response (UPR) to this protein accumulation, stimulating appropriate cellular responses such as adaptation, autophagy or cell death. These different stress responses support other antiviral strategies initiated by infected cells and can help to overcome viral infection. In epithelial A549 cells, a model currently used to study the flavivirus infection cycle and the host c...
Source: Biochimie - Category: Biochemistry Authors: Tags: Biochimie Source Type: research
Source: Infection and Drug Resistance - Category: Infectious Diseases Tags: Infection and Drug Resistance Source Type: research
up Ana Vasić West Nile virus (WNV) is a widespread zoonotic arbovirus and a threat to public health in Germany since its first emergence in 2018. It has become of particular relevance in Germany in 2019 due to its rapid geographical spread and the detection of the first human clinical cases. The susceptibility of indigenous Culex pipiens (biotypes pipiens and molestus) for a German WNV lineage 2 strain was experimentally compared to that of Serbian Cx. pipiens biotype molestus and invasive German Aedes albopictus. All tested populations proved to be competent laboratory vectors of WNV. Culex pipiens biotype pipiens ...
Source: Viruses - Category: Virology Authors: Tags: Article Source Type: research
by Chuan-min Zhou, Jian-wei Liu, Rui Qi, Li-zhu Fang, Xiang-rong Qin, Hui-ju Han, Rong-can Mo, Hao Yu, Yong-jun Jiao, Jian-yan Lin, Xue-jie Yu Currently, Zika virus (ZIKV) is spreading across the world and no ZIKV infection cases have ever been reported in China. Here, we aimed to determine whether ZIKV infection exists in China. Blood samples of 273 healthy individuals were collected from Nanning City, Guangxi Province, China in March 2 019. We found that 9.5% (26/273) and 1.8% (5/273) of healthy persons were positive to ZIKV total antibody (IgG and/or IgM) IgM antibody, respectively. All ZIKV positive plasma samples wer...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
After Action Reviews (AAR) with a One Health perspective were performed in Slovenia, Italy, Serbia and Greece following a severe West Nile virus (WNV) transmission season in 2018. A protocol combining traditio...
Source: Globalization and Health - Category: International Medicine & Public Health Authors: Tags: Research Source Type: research
Abstract West Nile virus is a flavivirus transmitted to humans mainly by mosquito bites. Outbreaks are observed in several European countries, and Greece is one of the most affected countries during the recent years. Thessaly was one of the most affected regions in Greece in 2019. A total of 3,025 Culex spp. mosquitoes collected in Thessaly were grouped into 47 pools and tested for West Nile virus (WNV). Eight (17%) pools were found positive. Whole genome sequences were obtained from two positive pools. Phylogenetic analysis showed that the causative strain was an evolutionary variant of the strains circulating in...
Source: Acta Tropica - Category: Infectious Diseases Authors: Tags: Acta Trop Source Type: research
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