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. 2015 Aug 7;14:306. doi: 10.1186/s12936-015-0817-x

Fig. 4.

Fig. 4

Parasite kinetics measured by qPCR per group. Density units are parasites/mL; Limit of quantification of qPCR was 30 parasites per mL. Group 1: 2,500 PfSPZ in 10 μL × 2 IM; group 2: 2,500 PfSPZ in 50 μL × 2 IM. Group 3: 2,500 PfSPZ in 250 μL × 2 IM; group 4: 3,200 PfSPZ in 500 μL × 1 DVI; group 5: 25,000 PfSPZ in 10 μL × 2 IM; group 6: 75,000 PfSPZ in 10 μL × 2 IM; PfSPZ Plasmodium falciparum sporozoites, IM intramuscular injection, DVI direct venous inoculation.