People with AIDS also have HIV, as HIV is the first stage of AIDS. Learn about the differences, how the conditions overlap, ...

During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and ...

The decrease in CD4 cells during HIV infection seems to be driven by immune activation, which does not always correlate with viral load. Experienced clinicians are all too familiar with the ...

Zunnash Khan is currently a mechatronics engineering student at the National University of Sciences & Technology in Pakistan and an aspiring science journalist based in Kashmir. View Full Profile.

Physician-scientists at Memorial Sloan Kettering Cancer Center (MSK) recently published two papers that advance the science ...

CD4-positive T cells are a subtype of lymphocyte. They are MHC class II-restricted and are important mediators of adaptive immunity. These cells are involved in both the induction and the ...

New research shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The study provides a better understanding of immune ...