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PBS-immunized mice (A), PLGA-immunized mice (B), HCV1b-E2-immunized mice (C), and HCV1b-E2-PLGA-immunized mice (D) were monitored for CD8+ T-cells by flow cytometry analysis.
Abbreviations: PLGA, poly d,l-lactic-co-glycolide; PBS, phosphate buffer saline.
