Abstract:
BACKGROUND:In a previous study of 66 human immunodeficiency virus (HIV)-infected US blood donors from 1999 to 2005, HIV-1 non-B and antiretroviral drug-resistant strains accounted for 4.7 and 6.5% of HIV infections, respectively. This study was expanded to include an additional 11 recently acquired infections and 197 established infections collected from January 2005 through December 2007. STUDY DESIGN AND METHODS:HIV-infected donors were detected using FDA-licensed assays. Drug resistance profiles for protease and reverse transcriptase (RT) genes were determined using a genotyping system (ViroSeq, Celera Diagnostics); genetic subtype was determined by phylogenetic analysis of these sequences. RESULTS:Drug resistance profiles were obtained for 203 of 208 specimens; 9.9% had mutations that confer drug resistance. Ten showed resistance to a single drug class: nine to nonnucleoside RT inhibitors (NNRTIs) and one to nucleoside RT inhibitors (NRTIs). Eight showed two drug class resistance: five NRTI plus NNRTI, two NRTI plus protease inhibitor (PI), and one NNRTI plus PI. Two showed three drug class resistance. Non-B strains were identified in 2.5% of donors and consisted of subtypes A1 and D, CRF02_AG, CRF43-02G, and URF_BF. CONCLUSIONS:Data from this and the previous study show that antiretroviral drug-resistant HIV-1 is present in 9.1% of HIV-infected donors from 1999 through 2007; 9.3% of established infections and 6.9% of recent infections. Diverse HIV-1 non-B strains presently account for 3.0% of HIV infections in US donors.
journal_name
Transfusionjournal_title
Transfusionauthors
Brennan CA,Yamaguchi J,Devare SG,Foster GA,Stramer SLdoi
10.1111/j.1537-2995.2010.02767.xsubject
Has Abstractpub_date
2010-12-01 00:00:00pages
2707-12issue
12eissn
0041-1132issn
1537-2995pii
TRF2767journal_volume
50pub_type
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