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. 2021 Mar 11;12:619335. doi: 10.3389/fmicb.2021.619335

FIGURE 2.

FIGURE 2

Δgra9 generation in PLK strain severely attenuates the virulence in mice. A lethal dose of 105 parasites of wild-type or Δgra9 were infected into female BALB/c mice by intraperitoneal injection (n = 6), and mice were monitored for 30 days to note daily observations of body weight and clinical signs. (A) Survival rates (***P < 0.001; Log-rank (Mantel-Cox) test). (B) Body weight%. (C) Clinical scores. The scores varied from 0 (no signs) to 10 (all signs).