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Additionally, people with AIDS often have systemic symptoms of infection like fevers, sweats (particularly at night), swollen glands, chills, weakness, and weight loss. [13] [14] The specific opportunistic infections that AIDS patients develop depend in part on the prevalence of these infections in the geographic area in which the patient lives.
Kaposi's Sarcoma (KS) is an extremely common disease that arises in AIDS patients and HIV-infected individuals. The condition is characterized by large purple lesions on the skin and mouth. KS presents itself differently for everyone affected by it, and its symptoms and progression varies from person to person as well. [ 5 ]
Kaposi's sarcoma is the most common cancer, occurring in 10% to 20% of people with HIV. [41] The second-most common cancer is lymphoma, which is the cause of death of nearly 16% of people with AIDS and is the initial sign of AIDS in 3% to 4%. [41] Both these cancers are associated with human herpesvirus 8 (HHV-8). [41]
The declaration of AIDS. HIV wasting syndrome * Pneumocystis carinii pneumonia; Toxoplasmosis of the brain; Cryptosporidiosis with diarrhoea > 1 month; Cryptococcosis, extrapulmonary; Cytomegalovirus disease of an organ other than liver, spleen or lymph node (ex: retinitis) Herpes simplex virus infection, mucocutaneous (>1 month) or visceral
The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans.Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3]
These patients, however, are not typically classified as LTNPs, but rather as slow progressors, who will eventually develop AIDS. Induction of broadly neutralizing antibodies in healthy individuals is a potential strategy for a preventive HIV vaccine, as is the elicitation of these antibodies through rationally designed immunogens.
HIV is commonly transmitted via unprotected sexual activity, blood transfusions, hypodermic needles, and from mother to child. Upon acquisition of the virus, the virus replicates inside and kills T helper cells, which are required for almost all adaptive immune responses.
Following infection with HIV-1, the rate of clinical disease progression varies between individuals.Factors such as host susceptibility, genetics and immune function, [1] health care and co-infections [2] as well as viral genetic variability [3] may affect the rate of progression to the point of needing to take medication in order not to develop AIDS.