"Human immunodeficiency" refers to a condition caused by the human immunodeficiency virus (HIV) that weakens a person's immune system. This can make it harder for the body to fight off infections and diseases. Full definition
Petrie, K.J., Pennebaker, J.W. et al. (2004) Effect of Written Emotional Expression on Immune Function in Patients With Human Immunodeficiency Virus Infection: A Randomized Trial. (my.happify.com)
* Feline Immunodeficiency Virus (FIV), the cause of feline AIDS, is not the same virus as Human Immunodeficiency Virus (HIV), the cause of human AIDS. (goodnewsforpets.com)
A pair of French scientists who isolated the AIDS - causing human immunodeficiency virus (HIV) and a German scientist who determined that human papillomavirus (HPV) causes cervical cancer were awarded the Nobel Prize in Physiology or Medicine today. (scientificamerican.com)