TABLE 1

Antibiotic phenotypes and molecular characterization of 23 E. coli isolates and 5 K. pneumoniae isolates collected from Hajj pilgrims in 2013

Strain no.SampleaSpeciesESBL genesSTClonal complexAntibioticb
CTX-MTEMSHVCSTCROTIMGENTZPIPM
31BBeforeE. coliCTX-M-1TEM-1ST10ST10 Cplx011000
48BBeforeE. coliCTX-M-15TEM-1DST361011100
47BBeforeE. coliCTX-M-15TEM-1DST361011100
47RReturnE. coliCTX-M-15TEM-1ST12ST12 Cplx011000
68BBeforeE. coliCTX-M-14TEM-1ST38ST38 Cplx011000
68RReturnE. coliCTX-M-15TEM-1ST1312010000
76BBeforeE. coliCTX-M-1TEM-1ST12ST12 Cplx011000
76RReturnE. coliCTX-M-14TEM-1ST117011100
46RReturnE. coliCTX-M-15TEM-1ST3728011000
85RReturnE. coliCTX-M-15TEM-1ST656ST10 Cplx011100
118RReturnE. coliCTX-M-15ST195ST10 Cplx010000
69RReturnE. coliCTX-M-15ST226ST226 Cplx010000
24RReturnE. coliCTX-M-15ST552c011000
111RReturnE. coliCTX-M-15ST648010000
34RReturnE. coliCTX-M-2ST457011100
87RReturnE. coliCTX-M-2ST117011100
93RReturnE. coliCTX-M-97TEM-1ST46ST46 Cplx011000
121RReturnE. coliCTX-M-8TEM-1ST448ST448 Cplx011000
33RReturnE. coliCTX-M-8TEM-1ST58ST155 Cplx011000
100RReturnE. coliCTX-M-8ST602ST446 Cplx010000
57RReturnE. coliCTX-M-14TEM-1ST69ST69 Cplx011000
27RReturnE. coliCTX-M-27ST131ST131 Cplx011000
8RReturnE. coliTEM-1ST224011100
8R1ReturnK. pneumoniaeCTX-M-15TEM-1SHV-67ST273010000
8R2ReturnK. pneumoniaeCTX-M-15TEM-1SHV-106ST15010000
62RReturnK. pneumoniaeCTX-M-15TEM-1SHV-110ST873011000
66R1ReturnK. pneumoniaeCTX-M-15TEM-183ST1548011100
66R2ReturnK. pneumoniaeCTX-M-14SHV-161ST179c011100
  • a Before, before Hajj; return, after Hajj.

  • b AST results. CST, colistin; TIM, ticarcillin-clavulanic acid; CRO, ceftriaxone; GEN, gentamicin; TZP, piperacillin-tazobactam; IPM, imipenem; 0, susceptible; 1, resistant.

  • c New ST type.