English: MRI video showing images of kidneys from the sortase A vaccination experiment. The video is of kidneys reconstructed in one plane. The video goes from the top to the bottom of the agar tube containing kidneys which was used for analysis. The groups are as shown in Fig 7, with the addition of three non-infection control kidneys, designated C. For example, in row 8 the kidneys are laid out as in S1 Fig. The group assignations are shown in S2 Table.