... the early age of 20th century. The following statement is said by Jeffery Taubenberger, a virologist: "All influenza A pandemics since [the Spanish flu pandemic], and indeed almost all cases of influenza A worldwide (excepting human infections from avian viruses such as H5N1 and H7N7), have been caused ... have some data on the variants of Influenza virus. As we know, there is not just one type of flu. For instance, there are annual flu, weather flu, avian flu, swine flu and depending on each type, the lethality, the infectious degree are seriously different. The reason is each branch .....

• Word Count: 1435
• Approx Pages: 6
• Has Bibliography
• Grade Level: Undergraduate

... . The Dermacentor variabilis, or deer tick, causes the quite serious illness, Lyme disease. Lyme disease, first diagnosed in Lyme, Connecticut in 1975, causes flu-like symptoms in the victim. If this disease is not treated properly, it often causes the victim to contract arthritis as well. The arthritis usually begins ... which can stop the effects, if used soon enough. Even if this antitoxin is used in time, however, the victim is very weak and has flu-like symptoms for the next ten to twelve days. These loathsome beasts are surely not mentioned in the tourist brochures! For many people,...

• Word Count: 2262
• Approx Pages: 9
• Has Bibliography
• Grade Level: High School

... Culex species being the most susceptible to infection with WNV (Brinton 2002; Hubalek 2001). These mosquitos spread the virus through a mosquito-bird cycle where a mosquito extracts blood from an infected bird, becomes infected and is then capable of infecting another bird. Although it is possible for the mosquito to transmit the virus to a human, there are no known cases were the virus was ... of the close genetic relationship the West Nile virus isolates from Israel and New York share. Most people bitten by an infected mosquito never get sick, and most only suffer flu-like symptoms, m...

• Word Count: 1904
• Approx Pages: 8
• Grade Level: Graduate