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  • Title: Early onset Morganella morganii sepsis in a newborn infant with emergence of cephalosporin resistance caused by depression of AMPC beta-lactamase production.
    Author: Sinha AK, Kempley ST, Price E, Sharma BK, Livermore DM.
    Journal: Pediatr Infect Dis J; 2006 Apr; 25(4):376-7. PubMed ID: 16567997.
    Abstract:
    A preterm infant with early onset Morganella morganii sepsis was treated with cefotaxime and gentamicin after confirmation of antimicrobial susceptibility. The infant developed persistent ventriculitis caused by the emergence of a cefotaxime-resistant Morganella variant with derepression of its AmpC beta-lactamase. When choosing antibiotic therapy, the risk of development of resistance to cephalosporins should be considered in infections caused by M. morganii and other Gram-negative organisms with inducible AmpC beta-lactamases.
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