What Is the CD4:CD8 Ratio Test Used For? CD4 and CD8 are two types of white blood cells in your blood. White blood cells help your body fight infections. If you have HIV infection, your doctor may use ...
An initiative that is developing a rapid and inexpensive test to analyse the immune system of people living with HIV/AIDS has received a $7.3 million grant from the Bill & Melinda Gates Foundation, it ...
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