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You are here : AllRefer.com > Health > Diseases & Conditions > West Nile Virus: Pictures & Images

West Nile Virus

Provided by A.D.A.M.

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Pictures & Images

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Mosquito, Adult Feeding on the Skin
Mosquito, Adult Feeding on the Skin

There are many different species of mosquito, some of which carry some of the worlds most common and most economically important infectious diseases. Malaria and yellow fever are two of the most important diseases they carry. Others include encephalitis (viral), dengue fever, and leishmaniasis. (Courtesy of the Centers for Disease Control.)


Mosquito, Adult
Mosquito, Adult

This illustration shows an adult southern house mosquito. This mosquito feeds on blood and is the carrier of many diseases, such as dengue fever, yellow fever, and others. (Courtesy of the Centers for Disease Control.)


Mosquito, Egg Raft
Mosquito, Egg Raft

Mosquitoes of the Culex species lay their eggs in the form of egg rafts that float in still or stagnant water. The mosquito lays the eggs one at a time sticking them together in the shape of a raft. An egg raft can contain from 100 to 400 eggs. The eggs go through larval and pupal stages and feed on micro-organisms before developing into flying mosquitoes. (Courtesy of the Centers for Disease Control.)


Mosquito, Pupa
Mosquito, Pupa

These are mosquito pupa. This is another stage in the development of the mosquito. (Courtesy of the Centers for Disease Control.)


Meninges of the Brain
Meninges of the Brain

The organs of the central nervous system (brain and spinal cord) are covered by 3 connective tissue layers collectively called the meninges. Consisting of the pia mater (closest to the CNS structures), the arachnoid and the dura mater (farthest from the CNS), the meninges also support blood vessels and contain cerebrospinal fluid. These are the structures involved in meningitis, an inflammation of the meninges, which, if severe, may become encephalitis, an inflammation of the brain.



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Definition
West Nile Virus Overview, Causes, & Risk Factors
West Nile Virus Symptoms & Signs
West Nile Virus Prevention
West Nile Virus Diagnosis & Tests
West Nile Virus Treatment
West Nile Virus Prognosis
West Nile Virus Complications
Calling Your Health Care Provider
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The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2003 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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