TLR2 and Behcet disease: However, the trend found for the Toxoplasma gondii x TLR2 interaction and the observation that the TLR2 rs3804099 demonstrated an OR of 0.894 in the seropositive group and of 2.289 in the seronegative one emphasizes the pertinence of considering environmental risk factors when evaluating the genetic risk of BD and warrant replication using a much larger cohort.