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. Author manuscript; available in PMC: 2011 Feb 15.
Published in final edited form as: Vet Immunol Immunopathol. 2009 Jul 30;133(2-4):117. doi: 10.1016/j.vetimm.2009.07.009

Fig. 5. Diminishing antibody responses to rMSP5 of A. phagocytophilum with time of infection.

Fig. 5

A line graph representing the rMSP5 ELISA optical density readings (y axis) on serum samples collected on day 0 through week 15 (x axis) from two lambs experimentally inoculated with viable A. phagocytophilum organisms. The horizontal line demarcates the optical density reading that represents the cutoff between a positive and negative reaction (upper limit of 3 standard deviations above the mean of all negative control samples).