title: HIV update.
abstract: Few diseases have spread so rapidly around the world or caused such severe morbidity and mortality as HIV/AIDS. After reading this review and update on the pandemic, readers will: Know the current status of HIV/AIDS in the United States and worldwide. Understand basic concepts of epidemiology and infectious disease and how these areas of study relate to HIV. Know basic concepts of immunology and the human immune system. Recognize major clinical manifestations of HIV/AIDS and their radiographic features. Understand the importance of universal precautions in protecting health care workers from blood-borne pathogens such as HIV. Understand the legal and psychosocial issues that affect people who have AIDS.
authors.forename: Teresa G
authors.initials: TG
authors.lastname: Norris
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000000981:diagnostic imaging*; D001927:Brain Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D005544:Forecasting; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D015658:HIV Infections / Q000150:complications / Q000453:epidemiology / Q000628:therapy / Q000635:transmission; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D012307:Risk Factors; D014057:Tomography, X-Ray Computed / Q000379:methods*; D016635:Universal Precautions