org/conditions/aids/diagnosis.html https://www.ucsfhealth.org/conditions/aids/diagnosis.html https://www.ucsfhealth.org/conditions/aids/diagnosis.html https://www.ucsfhealth.org/conditions/aids/diagnosis.html https://www.ucsfhealth.org/conditions/aids/diagnosis.html https://www.ucsfhealth.org/conditions/aids/diagnosis.html Acquired Immunodeficiency Syndrome AIDS-defining illnesses