The HIV Subtype Picture
November 25, 2008 If you live in the West, you might be a little surprised by the subhead on this map. In Western countries, we’re used to it being a given that subtype B is the most prevalent strain of HIV. This map is a great visualization of where the HIV epidemic actually stands in terms of subtype distribution and concentration.
It also makes it clear why there is such a great need for a subtype-independent viral load monitoring assay like our ExaVir Load. It’s not only because the traditional assays were developed for measuring subtype-B and are of limited use outside the Western world, but because the spread of that huge prevalence of other subtypes Westward is only a matter of time.
As far as our ExaVir Load’s performance goes, that whole map might as well be the same color. But with the diagnostics most prevalently in use today, we’re facing a problem in providing accurate disease monitoring. And the problem will only get bigger as subtypes continue to migrate and mix.
This is why we’re continually developing diagnostics that are subtype-independent and why we believe it’s so important. We have every opportunity to be ready for when the need for such diagnostics can no longer be ignored, so let’s stay a step ahead this time.
Reader Comments (30)
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Lymphocytes (white blood cells) are one of the main types of immune cells that make up the immune system. There are two types of lymphocytes: B cells and T cells. (T cells are also called CD4 cells, CD4 T cells, or CD4 cell lymphocytes). B cells secrete antibodies (proteins) into the body's fluids to ambush and attack antigens (foreign proteins such as bacteria, viruses or fungi). T cells directly attack and destroy infected or malignant cells in the body.
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