IL18 and Immunodeficiency: A series of case reports of bacteremia with S paucimobilis, usually from intravenous administration of contaminated solutions in a health care setting, indicate that patients respond well to treatment, and only 1 pediatric and 1 adult case have been associated with mortality from this organism.36, 37 The possibility of an associated immune deficiency is raised by the severity of illness, as well as evidence of a poor IL-1β, IL-18, and cell death response of monocytes from patients with AIFEC to S typhimurim and Pseudomonas aeruginosa when compared with healthy control subjects.10