1. West Nile Virus
... water also facilitates virus transmission. As stated above, the West Nile Virus was first isolated in a febrile woman in 1937 in Uganda, with some enzootic cases appearing in Africa, the Middle East, west Asia, and Australia (Marfin 2001). After the initial isolation very few outbreaks occurred, but in the 1990s three epidemiologic trends suddenly appeared (Peterson 2001). These trends included an increase ... to the United States is not known, but it was first identified in 1999 in the New York Area. One thought the virus was imported into North America from the Middle East because of ...
- Word Count: 1904
- Approx Pages: 8
- Grade Level: Graduate