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During this period (usually days to weeks post-exposure) fifty to ninety percent of infected individuals develop an influenza or mononucleosis-like illness called acute HIV infection (or HIV prodrome), [2] [3] the most common symptoms of which may include fever, lymphadenopathy, pharyngitis, rash, myalgia, malaise, mouth and esophageal sores ...
WHO Disease Staging System for HIV Infection and Disease was first produced in 1990 by the World Health Organization [1] and updated in 2007. [2] It is an approach for use in resource limited settings and is widely used in Africa and Asia and has been a useful research tool in studies of progression to symptomatic HIV disease .
Conditions where a presumptive diagnosis can be made on the basis of clinical signs or simple investigations [citation needed] Unexplained chronic diarrhoea for longer than one month; Unexplained persistent fever (intermittent or constant for longer than one month) Severe weight loss (>10% of presumed or measured body weight) Oral candidiasis
AIDS-related complex (ARC) was introduced after discovery of the HIV (human immunodeficiency virus) when the medical community became aware of the inherent difficulties associated with treating patients who have an advanced case of HIV which gave rise to the term acquired immune deficiency syndrome (AIDS).
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 ...
These cells can invade our own, rapidly divide by means of binary fission, lose our cells, and travel throughout our bodies. As a result of the immune response that this invasion causes, the tachyzoites become dormant, forming cysts called bradyzoites that are commonly found in the brain and skeletal muscle.
Contracting HIV can lead to the development of AIDS or stage 3 HIV, which causes serious damage to the immune system. [medical citation needed] While this virus is the underlying cause of AIDS, [3] not all HIV-positive individuals have AIDS, as HIV can remain in a latent state for many years.
Wasting syndrome in the absence of a concurrent illness other than HIV infection that could explain the following findings: a) persistent weight loss more than 10% of baseline OR b) downward crossing of at least two of the following percentile lines on the weight-for-age chart (e.g., 95th, 75th, 50th, 25th, 5th) in a child at least 1 year of ...