You have an internship this summer for the Cook County Department of Public Health. Your job is to work with the West Nile Virus group. You need to identify possible reservoirs, vectors, and determine how many people have been infected this year. Discuss which three types of organisms you will be examining and why.
The West Nile viruses are transmitted by mosquitoes and other blood-sucking insects. Examples include West Nile encephalitis, St. Louis encephalitis, and Eastern equine encephalitis.
The principal vectors of the West Nile Virus (WNV) are Culex Pipiens, which passes through the eggs to the next generation mosquitoes. The reservoir hosts of WNV are birds. The infection of birds can occur through other than mosquitoes. Humans, horses, and other mammals are the hosts for this virus. Thus, the three types of organisms examined in this study are, “mosquitoes, birds, and humans.
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