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Total HIV-1 DNA.
(a) Total HIV-1 DNA of 451 individuals after screening with ddPCR. Subjects with <50 copies/106 PBMCs are shown in light blue. (b) Comparative distribution of total HIV-1 DNA between the 2 recruiting centres. Subjects with <50 copies/106 PBMCs are shown in blue and red respectively to the each site. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.).
