Dr. Marisa Holubar explains what HIV / AIDS is and how it affects the immune system in this video. She explains the three stages of HIV, including the transition from HIV to AIDS. People with HIV can spread the infection to others at any stage, so it is critical to get tested.

0:00 Overview
1:08 Helper T-cells
2:26 HIV stages
6:12 Recap

Dr. Marisa Holubar, MD, MS is a Clinical Associate Professor of Medicine-Infectious Diseases at Stanford Medicine.

The information in this video was accurate as of the upload date, 6/21/2022. For information purposes only. Consult your local medical authority or your healthcare practitioner for advice.

This video is a production of the Stanford Center for Health Education team, in collaboration with Stanford Medicine and the Stanford Center for Professional Development.

At the Stanford Center for Health Education, we believe that expanding access to engaging education has the power to change behaviors, improve health, and save lives.

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