AIDS

Aids is a set of symptoms and infections resulting from the damage to the human immune system caused by the HIV. This condition progressively reduces the effectiveness of the immune system leaves individuals susceptible to opportunistic infections and tumors. HIV is transmitted through direct contack of a mucous membrane or the bloodstream with a bodily fluid containing HIV, such as blood, vaginal fluid, preseminal fluid and breast milk.
The two main transmission routes of HIV are sexual contact, and exposure to infected body fluids.
1. Sexual contact
The majority of HIV infections are acquired through unprotected sexual relations between partners, one of whom has HIV.
2. Exposure to infected body fluids
Health care workers can reduce exposure to HIV by employing precautions to reduce the risk of exposure to contaminated blood.

The symptoms of AIDS are primary the result of conditions that do not normally develop in individuals with healty immune system. Most of these conditions are infections caused by bacteria, viruses, fungi and parasites that are normally controlled by the elements of the immune system that HIV damages. Opprtunistic infections are common in people with AIDS. HIV affect nearly every organ system. Additionally, people with AIDS often have systemic symptoms of infections like fevers, sweats (particularly at night), swollenglands, chills, weaknes, an weight loss.