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Gaëtan Dugas (French: [ɡaetɑ̃ dyɡa]; February 20, 1953 – March 30, 1984) was a Canadian flight attendant whose role in the early years of the AIDS epidemic attracted considerable attention.
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HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells. It directly and indirectly destroys CD4 + T cells. [88] HIV is a member of the genus Lentivirus, [89] part of the family Retroviridae. [90] Lentiviruses share many morphological and biological characteristics.
Linear gingival erythema (LGE) is a periodontal disorder diagnosed based on distinct clinical characteristics. It was originally thought that LGE was directly associated with HIV, and it was thus called HIV-associated gingivitis (HIV-G).
It was first observed in HIV infected individuals and termed "HIV-gingivitis", but the condition is not confined to this group. [7] This condition can develop into necrotizing ulcerative periodontitis. [5] Histoplasma capsulatum is the causative organism in histoplasmosis, which may occasionally involve the gums. [6]
Two types of HIV have been characterized: HIV-1 and HIV-2. HIV-1 is the virus that was initially discovered and termed both lymphadenopathy associated virus (LAV) and human T-lymphotropic virus 3 (HTLV-III). HIV-1 is more virulent and more infective than HIV-2, [20] and is the cause of the majority of HIV infections globally. The lower ...
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Fordyce spots (also termed Fordyce granules) are harmless and painless visible sebaceous glands typically appearing as white/yellow small bumps or spots on the inside of lips or cheeks, gums, or genitalia. [1] [2] They are common, [3] and are present in around 80% of adults. [1]