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 Edgeworth-Kuiper belt is a collection of icy bodies located on the outer edge of the solar system.

Ergocalciferol is a type of Vitamin D2.

He is researching on the pathogenesis and treatment of early-onset diabetes.

This area is rich in bedded cupriferous iron sulphide deposits.

He is afflicted with a serious illness.

My school building is very big.

She passed the pre-2nd grade.