An abnormally low number of CD4+ T lymphocytes is an indication of AIDS, the disease caused by HIV. Without enough CD4+ T cells, you are much more vulnerable to infection.
Person with 512 cd4 count he or she HIV positive
The CD4 count is the result of the most important test used to monitor HIV. The 'absolute' count is the same as the CD4 count. This is the result you get back from your doctor. The term 'absolute' is used to differentiate it from CD4 percentage (CD4%) which can also be used for clinical management.
The viral load is a measure of how much HIV is present in the blood. A high viral load count would indicate the person has many copies of the virus in their body. The CD4 count, on the other hand, indicates how many CD4 or T-helper cells the person has. CD4 cells are part of the immune system. When they are destroyed, their numbers drop. This is what the HIV virus does--it destroys CD4 cells. Therefore, if a person has a low CD4 count, that means that their immune system is not functioning well, if at all.
HIV (Human Immunodeficiency Virus) is the virus that causes AIDS (Acquired Immune Deficiency Syndrome.) HIV attacks cells (cd4 included) in the body that fight disease. HIV+ patients are given an AIDS diagnosis when they have reached a low level of these cells as a result of their HIV infection.
Your CD4 count is a marker of the strength of your immune system. Many immune related diseases can cause your CD4 count to drop, as can medications that are designed to suppress your immune system. With HIV, the CD4 count falls because it is unable to keep up with the pressure from the virus replicating.
After infection, the CD4 count measured in blood generally reduces in the first month or two and then recovers, but not to the pre-infection level. Then, usually over many years the CD4 count reduces until HIV advances to cause symptoms. Anti-retroviral treatment stops the decline in CD4 cells which then usually recover and get stronger again. With HIV there is a lot of individual variability in how fast this takes. Some people need treatment soon after infection and other can still have a strong CD4 count after 15 years without treatment.
The CD4 count is a test that determines the amount of white blood cells in the body. It is used to figure out the progression of HIV and AIDS. The white blood cells fight infection.
The dividing line between HIV and AIDS is CD4 count of 200. Anything below is considered AIDS.
Your CD4 count is a marker of the strength of your immune system. Many immune related diseases can cause your CD4 count to drop, as can medications that are designed to suppress your immune system. With HIV, the CD4 count falls because it is unable to keep up with the pressure from the virus replicating.
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The count only relates to the number of CD4 cells in a cubic millimetre of blood, not in your whole body. In the context of HIV, without access to treatment, the CD4 count slowly drops, eventually to zero. Some people who only start HIV treatment very late have a CD4 count of zero. By they this time would usually be ill with serious other infections. Even starting this late you can get a excellent response to treatment, and be back to healthy life.
That is unlikely, since the HIV virus directly attacks the CD4 cells. In time, the virus will destroy all CD4 cells. Without medications, that will happen sooner rather than later.