TRANSFUSION: Blood donation and preparation of blood components TRANSFUSION: Blood donation and preparation of blood components. CMV = cytomegalovirus; FFP = fresh frozen plasma; HBV = hepatitis B virus; HCV = hepatitis C virus; HIV = human immunodeficiency virus; HTLV = human T-cell leukemia virus; WNV = West Nile virus. Source: Algorithms, Guide to Diagnostic Tests, 7e Citation: Nicoll D, Mark Lu C, McPhee SJ. Guide to Diagnostic Tests, 7e; 2017 Available at: http://accesspharmacy.mhmedical.com/DownloadImage.aspx?image=/data/books/2032/nicoll7_ch9_f036.png&sec=152256214&BookID=2032&ChapterSecID=152256137&imagename= Accessed: October 13, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved