Impact of Infection Dose and Previous Serum Antibodies against the Locus of Enterocyte Effacement Proteins on Escherichia coli O157:H7 Shedding in Calves following Experimental Infection

Figure 2

IgG ((a), (b)) and IgA ((c), (d)) antibodies against γ-intimin C280 ((a), (c)) and EspB ((b), (d)) in calves challenged with 10⁸ or 10¹⁰ CFU of E. coli O157:H7. Data are shown as mean OD405 ± S.E.M.

(a)

(b)

(c)

(d)