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HIV / AIDS

 

At the end of 2003, an estimated 1,039,000 to 1,185,000 persons in the United States were living with HIV/AIDS. In 2005, 37,331 cases of HIV/AIDS in adults, adolescents, and children were diagnosed in the 33 states with long-term, confidential name-based HIV reporting. CDC has estimated that approximately 40,000 persons in the United States become infected with HIV each year.

 

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Yellow fever virus particles (virions) - Copyright Dennis Kunkel Microscopy

 

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Yellow fever virus particles (virions) - Copyright Dennis Kunkel Microscopy

 

 

Yellow fever virus belongs to the Flavivirus family (subgroup arbovirus) and is an enveloped RNA virus. The virus shape is icosohedral with a lipid containing envelope. It is also known as a togavirus. Yellow fever virus is carried by mosquitoes and is common in Africa, Central and South America. The yellow fever virus is transmitted to humans when an infected female mosquito bites a human. Symptoms include fever, headache and nausea (flu-like symptoms). In serious cases there may be liver and kidney damage (necrosis), and even death. Yellow fever causes yellowing of the skin due to jaundice. There is no treatment for yellow fever and 5% of those infected die. Yellow fever vaccines can provide immunity.

For permission to license and use this image, please contact Dennis Kunkel:

Dennis Kunkel Microscopy, Inc.
P.O. Box 2008
Kailua, HI 96734
Phone: 808-263-0583
Email: kunkel@denniskunkel.com
www.denniskunkel.com

Yellow fever virus particles (virions) - Copyright Dennis Kunkel Microscopy:  Created on September 9th, 2007.  Last Modified on April 8th, 2011
 
 

 

 

 

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