Figure 6. Improved outcome following RRV inoculation in NK cell–depleted mice.

Development of symptoms (A), weight gain (B), and survival (C) of neonatal mice after saline or RRV injection on the first day of life. Mice were also injected daily with NK cell–depleting serum or control serum. Saline, NK depleted: n = 10; RRV, NK depleted: n = 25; RRV, control serum: n = 16; *P < 0.001.