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Identification of subtypes A to H by the HPS-CTMHIV assay as assessed by analyzing an eight-member standard panel diluted to a nominal concentration of 3 × 102 copies/ml (a) and 3 × 103 copies/ml (b). HIV RNA log concentrations were assessed using the HPS-CTMHIV and the CAHIM tests and compared to the titers calculated by the panel manufacturer (BBI CA, Boston Biomedica Inc., MA).
