Fig. 1.
Variation in parasitemia and cytokine/chemokine responses in C57BL/6 mice infected with two Plasmodium yoelii parasite lines. (a) Parasitemia from mice infected with P. y. yoelii 17XNL and P. y. nigeriensis N67. (b, c) Levels of day 4 cytokines and chemokines in mice infected with 17XNL and N67. Standard deviations (SD) were determined from at least 3 mice for each group. Statistically significant (p < 0.05) differences in cytokine/chemokine levels between 17XNL and N67 are as indicated (Mann-Whitney U test).