SLC35A2 and infection: It was also thought ivag infection of mice with oculogenital C. trachomatis serovars induces minimal endometrial inflammation and UGT pathology, and that ascension of ivag C. trachomatis infection beyond the cervix of mice requires large infectious inoculums (i.e., 106–2 x 107 inclusion-forming units (IFU) of the bacterium) [17–21].