what is the difference between hiv positive and negative?
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HIV negative means you have no signs of HIV in your blood; a positive HIV test means that you do have signs of HIV in your blood. 1﻿ You can be positive for HIV even if you don't have symptoms.
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If you have been tested for HIV infection, you may be told that the result is 'reactive'. While this is sometimes described as a 'positive' result, it could be a false positive. The result indicates that the test has reacted to something in your blood and this should be investigated further.
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Positive numbers are written with no sign or a ' ' sign in front of them and they are counted up from zero to the right on a number line. Any number below zero is a negative number. Negative numbers are always written with a ' ' sign in front of them and they are counted down from zero to the left on a number line.
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It detects the HIV antigen called p24 plus antibodies to HIV-1 and HIV-2. (HIV-1 is the most common type found in the United States, while HIV-2 has a higher prevalence in parts of Africa.) The level of p24 antigen and the amount of virus (viral load) increase significantly soon after initial infection.
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Summary. HIV-1 and HIV-2 are the two main types of the HIV virus. Most people living with HIV have HIV-1. Both types of HIV weaken the immune system, but HIV-2 tends develop more slowly and is less easy for people to transmit than HIV-1.
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ANSWER. A confirmed, positive test result means you have been infected with HIV. Being infected with HIV does not necessarily mean that you have AIDS. It can take many years for people with HIV to develop AIDS. A negative test result means that no signs of HIV infection were found in your blood.
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Signs and tests HIV RNA test ("viral load") is positive in patients with acute HIV infection. Lower-than-normal CD4 (white blood cell) count may be a sign of a suppressed immune system. The CD4 count usually improves 1 - 2 months after acute infection. White blood cell differential may show abnormalities.
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The human immunodeficiency virus is classified into two main types: HIV-1 and HIV-2. HIV-1 was discovered first and is more prevalent worldwide, while HIV-2 is less pathogenic and is mostly confined to West Africa. So when we generally say HIV, we are referring to HIV-1.
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A human immunodeficiency virus (HIV) test detects HIV antibodies or antigens, or the genetic material (DNA or RNA) of HIV in blood or another type of sample. This determines whether an HIV infection is present (HIV-positive). ELISA results are usually available in 2 to 4 days.
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When a person is not infected with HIV but receives a positive test result, that result is considered a false positive. Generally, HIV tests have high specificity, meaning that there are few false-positive results and most uninfected individuals are classified as uninfected by the test.
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A positive result means that IgG was detected, while a negative result means than no IgG was detected. An equivocal test simply means that the results were unclear. A false-negative result can sometimes occur, most often because testing was performed within the window period.
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HIV and AIDS are related, but they're not the same. HIV is a virus. It may cause AIDS after you've been infected for several years and it's weakened your immune system. Not everyone who has HIV will get AIDS.
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If your EBV test was negative, it means you don't currently have an EBV infection and were never infected with the virus. A negative result means your symptoms are probably caused by another disorder. If your EBV test was positive, it means EBV antibodies were found in your blood.
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The theory behind it is that healthy HIV-positive people possess effective antibodies against the virus, whereas people in the early stages of Aids do not. Plasma transfusions, which are chemically treated to kill HIV, contain these 'neutralising' antibodies and benefit Aids patients by helping to rid the blood of HIV.
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A positive test indicates an active chlamydia infection that requires treatment with a course of antibiotics. A negative test means only that there is no evidence of infection at the time of the test.
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The symptoms usually last 1-2 weeks, but can be longer. They're a sign that your immune system is putting up a fight against the virus. But having these symptoms doesn't necessarily mean you have the HIV virus.
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The window period is time between HIV infection and the point when the test will give an accurate result. During the window period a person can have HIV and be very infectious but still test HIV negative. The window period for a 4th generation antigen/antibody test is about four weeks.