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Genetic Transmission of Wext Nile VirusEssay title: Genetic Transmission of Wext Nile VirusTHE EMERGENCE OF WEST NILE VIRUS:A LITERATURE REVIEWChristopher Allan F. ReballosINTRODUCTIONThe year 1999 was an alarming year when an outbreak of arboviral encephalitis arrived in North America (Nosal and Pellizzari, 2003; Petersen et al, 2002; Scaramozzino et al, 2001). This epidemic spread rapidly.