Figure 6From: Protection of rabbits against enteropathogenic Escherichia coli(EPEC) using an intimin null mutantA semi-quantitative assessment of the shedding of the vaccine strain (before day 28) and wild-type strain (after day 28). The day of infection is indicated by the arrow. Grey bars represent the shedding by the vaccinated animals, black bars the shedding by the non-vaccinated rabbits (0 = no shedding, 4 = confluent colonies on agar plate).Back to article page