A case report described by Vahabnezhad et al., 2013 reported that probiotic strains of Lactobacillus, L. rhamnosus GG, caused bacteremia in a 17-year-old boy with UC managed with systemic corticosteroids and infliximab, which is a tumor necrosis factor-α antagonist [69]. The gene discussed is TNF; the disease is bacterial infectious disease with sepsis.