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Neonatal listeriosis followed by nosocomial infection.

Neonatal listeriosis is widely reported, but this is the first case reported in Serbia. A newborn developed respiratory distress syndrome 2 hours after delivery and was admitted to the neonatal intensive care unit. Initial empirical therapy was inappropriate. Consequently, on the second day, the patient developed meningitis. Listeria monocytogenes was isolated from the tracheal aspirate, blood, periumbilical swab, and cerebrospinal fluid. After bacteriology results, the therapy was changed to ampicillin and meropenem. On day 11 of hospitalization, the patient developed nosocomial infection due to multidrug-resistant Stenotrophomonas maltophilia. Since therapeutic options were limited, the patient was treated with ciprofloxacin. After 26 days of hospitalization the patient showed complete recovery and was discharged with no apparent sequelae. This case showed the importance of bacteriological examination in cases of infections caused by uncommon organisms. Pediatricians should be aware of the neonatal infection caused by Stenotrophomonas maltophilia.