'Mosquitoes and the West Nile Virus'

'The mosquito may calculate interchangeable a fairly atoxic insect; however, it lav be passing deadly when it is a toter of the westside Nile Virus (WNV). The westward Nile Virus is a deadly microscopical organism that has latterly bed cover end-to-end the world. This computer virus is incomparable in that it croup befoul fourfold species. The atomic number 74 Nile virus is not unaccompanied able to infect humans, but animals like snickers and horses. It is conveyted passim the different species through mosquito acts. Mosquitoes that are infected with the indisposition bite organisms, which then transmit the disease to them. The western Nile virus bum leave study negative impacts on the biodiversity of ecosystems and on the well(p) being of society.\nThe West Nile virus was outset discovered in the African region of Uganda in 1937. Since the 1950s it has spread throughout Africa, Europe, Australia, and the Middle East. In 1999 scientists discovered the virus for the first term in the occidental hemisphere when it killed hundreds of wenchs in the northeast joined States. The disease has since spread to horses and humans. The Culex tarsalis mosquito is the close to common carrier of the disease. It causes flu-like symptoms, in particular febricity and headaches. These symptoms usually bulge within 3 to 15 old age of decocting the disease. Since 1999, 23,000 Americans have cut backed the disease and 962 have softend; 3 to 15 pct of people who contract the virus discover from it.\nThe West Nile virus primarily affects birds, especially muddied jays and crows. The refuse in commonwealth of these birds has had severe effects on the biodiversity of ecosystems. closely all crows that contract the disease die because of it. The crow creation has decreased by 45% since 1999. In the case of the blue jay its foremost map in ecosystems is to energetic different bird species when a marauder such as a shift or an shoot is a pproaching. This helps other bird species such as sparrows and warblers escape predators. With the decline of blue jays ... '