CD4 Count, HIV, and AIDS: Test and Results, What They Mean - WebMD
https://www.webmd.com/hiv-aids/cd4-count-what-does-it-mean
WebApr 12, 2022 · 6 min read. The CD4 count is a test that measures how many CD4 cells you have in your blood. These are a type of white blood cell, called T cells, …
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