TY - CHAP M1 - Book, Section TI - The Acquired Immunodeficiency Syndrome A1 - Lichtman, Marshall A. A1 - Kaushansky, Kenneth A1 - Kipps, Thomas J. A1 - Prchal, Josef T. A1 - Levi, Marcel M. PY - 2011 T2 - Williams Manual of Hematology, 8e AB - Patients with serologic evidence of infection with the human immunodeficiency virus (HIV) can be diagnosed as having acquired-immunodeficiency syndrome (AIDS) based upon "clinical" or "immunologic" criteria (see Table 52–1).— Patients with AIDS diagnosed based on clinical criteria are classified as having "clinical AIDS."— Patients with AIDS diagnosed based on a blood CD4 T cell count of less than 200/μL are classified as having "immunological AIDS."Patients with HIV are living longer in the era of highly active antiretroviral therapy (HAART).United Nations estimated that 30 to 35 million people worldwide were living with HIV infection in 2007, with the majority being infected by heterosexual contact. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - hemonc.mhmedical.com/content.aspx?aid=1126653134 ER -