West Nile Virus detected in Michigan mosquitoes
West Nile Virus has been detected in two samplings of Macomb County mosquitoes collected on July 11, the county health department announced Monday morning.
Jul 29, 2024
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West Nile Virus has been detected in two samplings of Macomb County mosquitoes collected on July 11, the county health department announced Monday morning.
Jul 29, 2024
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Scientists at the University of Massachusetts Amherst-based New England Center of Excellence in Vector-Borne Diseases (NEWVEC) have published new findings on Powassan virus, an emerging tick-borne illness that can cause life-threatening ...
Jul 25, 2024
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Biogeography researchers at the University of Bayreuth have developed the first model that simulates the spatial and temporal risk of West Nile virus infection in resident birds, migratory birds and humans in Germany. In ...
Jul 24, 2024
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Scientists often use forecasting models to predict the spread of infectious diseases. The data informing these models are usually framed by geopolitical boundaries such as states or counties.
Jul 11, 2024
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West Nile virus (WNV) is a virus of the family Flaviviridae. Part of the Japanese encephalitis (JE) antigenic complex of viruses, it is found in both tropical and temperate regions. It mainly infects birds, but is known to infect humans, horses, dogs, cats, bats, chipmunks, skunks, squirrels, domestic rabbits, crows, robins, crocodiles and alligators. The main route of human infection is through the bite of an infected mosquito. Approximately 90% of West Nile Virus infections in humans are without any symptoms.
Image reconstructions and cryoelectron microscopy reveal a 45–50 nm virion covered with a relatively smooth protein surface. This structure is similar to the dengue fever virus; both belong to the genus Flavivirus within the family Flaviviridae. The genetic material of WNV is a positive-sense, single strand of RNA, which is between 11,000 and 12,000 nucleotides long; these genes encode seven non-structural proteins and three structural proteins. The RNA strand is held within a nucleocapsid formed from 12 kDa protein blocks; the capsid is contained within a host-derived membrane altered by two viral glycoproteins.
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