To determine whether B. abortus exploits TREM2 to promote its intracellular survival, DMSO or Baf A1- treated M2, which have the same levels of TREM2 protein at 4 h post-infection (Figure 1), were used to determine the role of TREM2 in mediating intracellular bacterial survival during infection. This evidence concerns the gene TREM2 and infection.