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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 ...
This helps in the evaluation of the outcomes of control measures based on symptomatic surveillance. The incubation period is also useful to count the number of infected people. [1] The period from the time of infection to the time of becoming infectious is called the pre-infectious period or the latent period. During the pre-infectious or ...
Shedding period usually coincides with the infectious period and used as its synonym. [2] For viral infections, viral load and viral shedding are important related concepts. Viral load refers to the quantity of virions (individual virus particles) in a given bodily fluid like blood, saliva, urine, etc. at different moments after infection ...
The prodrome is a period during which an individual experiences some symptoms and/or a change in functioning, which can signal the impending onset of a mental health disorder. [5] It is otherwise known as the prodromal phase when referring to the subsyndromal stage or the early abnormalities in behavior, mood, and/or cognition before illness ...
After the latency period (but before clinical infection) the infected person can transmit the disease without signs of any symptoms. Such infection is called subclinical infection. Incubation period (also known as the latent period or latency period ) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation , and ...
Prodromal: the first signs or symptoms appear, which indicates the clinical start of the disease. [ 7 ] [ 8 ] Clinical : specific signs and symptoms appear, which allows the doctor to not only identify the disease but also determine the appropriate treatment in hopes of curing the patient or at least preventing long-term damages.
The window period for HIV may be up to three months, depending on the test method and other factors. RNA based HIV tests has the lowest window period. Modern and accurate testing abilities can cut this period to 25 days, 16 days, or even as low as 12 days, again, depending on the type of test and the quality of its administration and interpretation.
Determining the presence of a hospital acquired infection requires an infection control practitioner (ICP) to review a patient's chart and see if the patient had the signs and symptom of an infection. Surveillance definitions exist for infections of the bloodstream, urinary tract, pneumonia, surgical sites and gastroenteritis. [citation needed]