The Hivaids Epidemic

Figures from the Joint United Nations Programme on HIV/AIDS and the World Health Organization:

Deaths from AIDS in 2003 (North America): 15,000

Deaths from AIDS in 2003 (worldwide): 3 million

People newly infected with HIV in 2003 (North America): 45,000

People newly infected with HIV in 2003 (worldwide): 5 million

People living with AIDS in 2003 (North America): 1 million

People living with AIDS in 2003 (worldwide): 40 million

—Paula Kepos energy: technically, the ability to perform work; the content of a substance that allows it to be useful as a fuel metabolism: the sum total of reactions in a cell or an organism electrolyte: salt dissolved in fluid acute: rapid-onset and short-lived chronic: over a long period gastrointestinal: related to the stomach and intestines steroids: group of hormones that affect tissue build-up, sexual development, and a variety of metabolic processes intestines: the two long tubes that carry out the bulk of the processes of digestion mucosa: moist exchange surface within the body oral-pharyngeal: related to mouth and throat nutritional requirements: the set of substances needed in the diet to maintain health intravenous: into the veins

This scanning electron micrograph (SEM) shows a T-lymphocyte white blood cell, lumpy from infection. The smaller circles are AIDS viruses budding from the cell's membrane. [Nibsc/Photo Researchers, Inc. Reproduced by permission.]

Enteral nutrition (placing a tube into the stomach or intestine) is preferred in those patients who have difficulty in swallowing, disease of the oral-pharyngeal region, and adequate GI function. The medical risks with enternal nutrition are less than for PN, but may include injury to the GI tract and infection in the absence safe food practices.

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