LACTB and necrotizing enterocolitis: Two case reports documented the successful treatment of preterm newborns of 27–31 weeks of gestation with LOS by VIM metallo-beta-lactamase producing K. pneumoniae [89] and LOS and necrotizing enterocolitis caused by KPC-producing K. pneumoniae [88] after the failure of netilmicin [89] and meropenem and colistin [88].