Multimedia support in the education of clinical and health care disciplines :: Portal of Faculty of Medicine in Bratislava
Faculty of Medicine, Comenius University in Bratislava
Comenius University in Bratislava
MEFANET (MEdical FAculties Educational NETwork) Project

Immunodeficiencies. AIDS

Immunodeficiencies. AIDS

The lecture deals with primary and secondary immunodefeciencies. It gives an overview on general clinical manifestations and their divisions according to the type of the immune functions defects. Must of the lecture devotes to AIDS.     

Acquired immunodeficiency syndrome (AIDS) is caused by human immunodeficiency type I (HIV-1) and II (HIV-2) viruses, respectively. HIV-1 was discovered in 1983 and HIV-2 in 1986. HIV-1 is the major cause of AIDS in the world today. Worldwide, the number of HIV-1 infected persons ranges between 30.3-36.1 million, the majority of whom live in the developing countries of Sub-Saharan Africa, Asia and South America. More than 25 million people have died of AIDS since 1981. Nowadays, it infects 14,000 and kills 7,000 individuals daily. The degree of morbidity and mortality caused by HIV and the global impact of HIV infection on health care resources and economics are already enormous and continue to grow.
It is thought HIV-1 first entered the human population early in the 20th century in the region of the Democratic Republic of Congo. The virus probably originally jumped into humans after people came into contact with infected bush meat.
HIV infects a variety of cells of the immune system, including CD4-expressing helper T cells, macrophages, and dendritic cells. The HIV infection is characterised by diverse clinical features, including profound immunosuppression with associated opportunistic infections and malignancies, wasting, and central nervous system (CNS) degeneration. Currently, no prophylactic immunisation or cure is known for AIDS, although promising new therapies are being developed.

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Keywords: Immunodeficiencies, AIDS, HIV infections, Epidemiology, HAART

author: Milan Buc | organization: Institute of Immunology | published on: 3.5.2012 | last modified on: 3.5.2012
citation: Buc Milan: Immunodeficiencies. AIDS. Multimedia support in the education of clinical and health care disciplines :: Portal of Faculty of Medicine, Comenius University [online] 2012-05-03, last modif. 2012-05-03 [cit. 2019-11-22] Available from WWW: <>. ISSN 1337-9577.

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