Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

تمرين 25

A person who has been infected by the human immunodeficiency virus but has not yet developed any illnesses is said to be (a) _____. A person whose level of T-cells has dropped to 200 per cubic milliliter of blood but who may or may not have developed an illness is defined as having (b) _____.