The human immunodeficiency virus is the virus that causes AIDS.

The feline immunodeficiency virus can potentially have serious effects on a cat's health.

My cat has been infected with the feline immunodeficiency virus.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

Please calculate the quartiles of this data set.

Zoonosis is a disease that spreads from animals to humans, or vice versa.

He is a perfectionist, so he is very strict about his work.

He publicly acknowledged that he is a homosexual.

He always looks at things like a pessimist.