Figure 2From: Immunity, safety and protection of an Adenovirus 5 prime - Modified Vaccinia virus Ankara boost subunit vaccine against Mycobacterium avium subspecies paratuberculosis infection in calvesDIVA testing. IFN-? release from HAV specific peptide pool stimulated whole blood taken from HAV vaccinated (triangles) and Sham vaccinated (squares) calves between week 0, immediately prior to MAP challenge and 33Â weeks post challenge. OD values are adjusted to internal controls to remove assay variation between runs. Significance indicated as * P < 0.05.Back to article page