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Beginning of Paper
AIDS
Acquired Immune Deficiency Syndrome (AIDS), suppresses the immune system
related to infection with the human immunodeficiency virus (HIV). A person
infected with HIV gradually loses immune function along with certain immune
cells called CD4 T-lymphocytes or CD4 T-cells, causing the infected person
to become vulnerable to pneumonia, fu ....
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Middle of Paper
.... scientists isolated what is now known as human
immunodeficiency virus (HIV), the virus that causes AIDS.
Infection with HIV does not necessarily mean that a person has AIDS,
although people who are HIV-positive are often mistakenly said to have AIDS.
In fact, a person can remain HIV-positive for more than ten years without
developing any of the clinical illnesses that define and constitute a
diagnosis of AIDS. In 1996 an estimated 22.6 million people worldwide were
living with HIV or AIDS—21.8 million adults and 830,000 children. The World
Health Organization (WHO) estimates that betwe ....
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