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Table 1 Characterisation of selected environmental and patient Citrobacter freundii isolates subjected to whole genome sequencing

From: Sanitary installations and wastewater plumbing as reservoir for the long-term circulation and transmission of carbapenemase producing Citrobacter freundii clones in a hospital setting

Location of

detection

Identifier

Sample month

Sample origin

CPE-type

Days on ward until detection

Length of stay on ward

Prior admission(s)

on ward (< 12months)

Re-

admission(s)

on ward (< 12months)

Cluster-type

R00

Patient23

11/2019

Rectal (swab)

VIM

18

40

no

no

spor.

R01

Environment08

12/2019

Shower

OXA-48

-

-

-

-

spor.

 

Environment16

5/2021

Toilet

OXA-48

-

-

-

-

spor.

R02

Patient05*

4/2018

Rectal (swab)

OXA-48

1

18

no

yes

C

 

Patient08

6/2018

Rectal (swab)

OXA-48

33

112

no

yes

spor.

 

Patient26

12/2019

Rectal (swab)

OXA-48

5

8

no

no

C

 

Environment09

2/2021

Toilet

OXA-48

-

-

-

-

C

 

Environment10

2/2021

Toilet

OXA-48

-

-

-

-

D

R04

Patient03

7/2017

Rectal (swab)

OXA-48

0

1

yes

no

spor.

 

Patient28

9/2020

Rectal (swab)

OXA-48

5

8

yes

no

spor.

 

Environment11

2/2021

Toilet

OXA-48

-

-

-

-

A

 

Patient29

3/2021

Rectal (swab)

OXA-48

9

11

no

no

A

 

Patient30

4/2021

Urine

OXA-48

13

16

no

yes

A

 

Environment17

5/2021

Toilet

OXA-48

-

-

-

-

A

 

Environment21

7/2021

Shower

OXA-48

-

-

-

-

A

R06

Patient01

7/2015

Rectal (swab)

OXA-48

13

31

no

no

B

 

Patient02

9/2015

Rectal (swab)

OXA-48

8

14

no

yes

B

 

Environment01

3/2017

Toilet

OXA-48

-

-

-

-

B

 

Patient09

6/2018

Rectal (swab)

OXA-48

8

9

yes

no

B

 

Patient11

7/2018

Rectal (swab)

OXA-48

5

13

no

yes

B

 

Patient12

8/2018

Rectal (swab)

OXA-48

8

11

no

yes

B

 

Patient13

8/2018

Rectal (swab)

OXA-48

5

11

no

no

B

 

Patient15

10/2018

Rectal (swab)

OXA-48

22

25

no

no

D

 

Patient16

10/2018

Rectal (swab)

OXA-48

5

26

no

no

spor.

 

Patient21

7/2019

Rectal (swab)

OXA-48

8

8

no

no

B

 

Patient22

11/2019

Rectal (swab)

OXA-48

1

2

yes

no

B

 

Patient24

12/2019

Rectal (swab)

OXA-48

6

8

no

no

spor.

 

Environment03

12/2019

Toilet

OXA-48

-

-

-

-

B’

 

Environment12

2/2021

Toilet

OXA-48

-

-

-

-

B’

 

Environment14

3/2021

Toilet

OXA-48

-

-

-

-

E

 

Environment15

3/2021

Toilet

OXA-48

-

-

-

-

B’

 

Environment18

5/2021

Toilet

OXA-48

-

-

-

-

spor.

 

Environment19

5/2021

Toilet

OXA-48

-

-

-

-

E

R08

Patient10

6/2018

Rectal (swab)

OXA-48

19

29

no

yes

A

 

Patient31

10/2021

Abscess

OXA-48

22

48

no

no

spor.

R10

Patient14

9/2018

Rectal (swab)

OXA-48

16

29

no

no

A

 

Patient18

1/2019

Rectal (swab)

OXA-48

3

11

no

no

A

 

Patient25

12/2019

Rectal (swab)

OXA-48

8

23

yes

no

A

 

Environment04

12/2019

Toilet

OXA-48

-

-

-

-

A

 

Environment05

12/2019

Toilet

OXA-48

-

-

-

-

spor.

 

Environment20

5/2021

Toilet

OXA-48

-

-

-

-

A

R11

Patient20

6/2019

Rectal (swab)

OXA-48

6

8

no

no

A’

 

Environment13

2/2021

Shower

OXA-48

-

-

-

-

A

R12

Patient04

3/2018

Urine

OXA-48

13

17

no

yes

A

 

Patient07

5/2018

Rectal (swab)

OXA-48

10

11

no

no

A

 

Environment06

12/2019

Toilet

OXA-48

-

-

-

-

A

R13

Patient06

5/2018

Rectal (swab)

OXA-48

0

11

yes

no

A

 

Environment07

12/2019

Toilet

OXA-48

-

-

-

-

A

 

Patient27

6/2020

Rectal (swab)

OXA-48

1

22

no

no

A

R14

Patient17

12/2018

Rectal (swab)

OXA-48

2

39

yes

no

A

P01

Environment22

09/2022

BW pipe

OXA-48

-

-

-

-

A

 

Environment24

09/2022

GW pipe

OXA-48

-

-

-

-

B’

P03

Environment23

09/2022

BW pipe

OXA-48

-

-

-

-

spor.

  1. A = ClusterA (ST22), B = ClusterB (ST170), BW = black water, C = ClusterC (ST421), D = ClusterD (ST481), E = ClusterE (ST146), GW = grey water, P = group of wastewater pipes (P01 collects rooms R01 to R09; P03 collects rooms R10 to R16), R = patient room number, spor.=sporadic (> 40 different alleles), ‘ =associated to a cluster (> 20 and < = 40 different alleles), - =not applicable. Isolates are listed according to location of detection, *=community acquired
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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