Figure 1From: Distinct roles of NK cells in viral immunity during different phases of acute Friend retrovirus infectionKinetics of FV infection. Spleen weights of FV-infected CB6F1 mice were determined at different time points after FV infection (A). Statistically significant differences compared to naive mice (0 dpi) are indicated by * for p < 0.05; ** for p < 0.01; *** for p < 0.001. Viral loads of FV-infected CB6F1 mice were analyzed in bone marrow and spleen using an infectious center assay (B). At least six mice per group were analyzed and the mean values for each group are indicated by a symbol + SEM.Back to article page