TABLE 2.

PFGE profiles, biotyping, and plasmid and antibiotic profiles of patient, prepared formula, and powdered infant formula isolates

NeonateSymptomsIsolation date (day/mo/yr)Isolation siteStrain no.PFGE profileAntibiograma
ANo details23/03/1994Trachea6991DOX
BNEC II25/04/1994Trachea7031DOX
29/04/1994Trachea7041DOX
CAsymptomatic09/05/1994Trachea7081DOX
DNEC II08/06/1994Stools6961DOX
EAsymptomatic19/06/1994Stools6901DOX
F (died)NEC III07/04/1994Peritoneal fluid7012DOX
GNo details19/04/1994Sputum6912DOX
H (died)Meningitis11/05/1994Trachea7672DOX, AMP, CTX, CXM (ESBL)
CSepticemia12/05/1994Trachea7092DOX
BNEC II24/05/1994Trachea7052DOX
J (died)NEC II07/06/1994Trachea6952DOX, AMP, CTX, CXM (ESBL)
BNEC II09/06/1994Stools7062DOX
DNEC II13/06/1994Stools6972DOX
KNEC I13/06/1994Stools7022DOX
LNEC II13/06/1994Stools6922DOX
MNEC II14/06/1994Conjunctivae6942DOX
17/06/1994Prepared formula7122DOX
BNEC II26/06/1994Skin7072DOX
KNEC I27/06/1994Stools7302DOX
OAsymptomatic27/06/1994Stools7112DOX
DNEC II01/07/1994Stools6982DOX
PDigestive problems15/06/1994Stools7003DOX
QAsymptomatic18/06/1994Stools6933DOX
20/06/1994End of bottle7133DOX
27/06/1994End of bottle7143DOX
27/06/1994Prepared formula7153DOX
11/07/1994Infant formula7164DOX
11/07/1994Infant formula7174DOX
11/07/1994Infant formula7184DOX
R (died)Sepsis04/06/1994Blood culture766NAbDOX, AMP, CXM, AMC
  • a Resistance profile for doxycycline (DOX), ampicillin (AMP), cefotaxime (CTX), cefuroxime (CXM), and amoxicillin-clavulanate (AMC).

  • b NA, not applicable.