Figure 5

Evolution of leukocyte, monocyte and granulocyte counts in peripheral blood throughout the 7-day infection challenge according to the inoculated strain: □ control, ■ST96 and ■121. Bars represent the obtained least square means and error bars show their corresponding standard error. x Significantly different (P < 0.05) to the value before infection (day 0). * Significantly different on each day post-infection (P < 0.05).