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The class I MHC molecule HLA-B27 bears an unpaired Cys residue at position 67, which is predicted to face the Ag binding pocket, based on the x-ray crystallographic model of HLA-A2. To investigate the potential of this residue in the antigenic structure of HLA-B27, a panel of 11 mutant HLA-B27 genes has been created, each bearing a separate amino acid(More)
In 2009, the Global Fund to Fight AIDS, Tuberculosis and Malaria established the Affordable Medicines Facility-malaria (AMFm) in order to increase access to quality-assured artemisinin combination therapy (QAACT). AMFm Phase 1, which includes nine pilot programmes in eight countries, was launched in 2009. The objective of this study was to assess(More)
BACKGROUND Transmission of HIV from mother-to-child during pregnancy, labor, or breastfeeding is the primary cause of pediatric HIV infection in sub-Saharan Africa. A regimen of single-dose nevirapine administered to both HIV-positive pregnant women and their infants has been shown to lower the risk of mother-to-child transmission (MTCT) of HIV. In an(More)
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