“…The occurrence of a small number of cases of meningitis due to Citrobacter koseri (syn C. diversus, Levinea malonatica) has been reported (Gross et al, 1973;Gwynn and George, 1973;Duhamel et al, 1975;Tamborlane and Soto, 1975). All the cases have occurred in young babies, mostly in the first two weeks of life, and the babies have nearly all been premature.…”