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Table 3 Pus aspirates and skin scrapings submitted to the National Institute for Communicable Diseases for testing, 22 November 2017 to 13 March 2018, n = 35

From: An outbreak of cutaneous abscesses caused by Panton-Valentine leukocidin-producing methicillin-susceptible Staphylococcus aureus among gold mine workers, South Africa, November 2017 to March 2018

Isolate number

Specimen type

Collection date

Organism

PVL

Cefoxitinb

Pen

MIC

Pen

Interp

Eryth

MIC

Eryth

Interp

Clinda

MIC

Clinda

Interp

SXT

MIC

SXT

Interp

Mupirocin

DRKM1

Pus aspirate

27/11/2017

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM2

Pus aspirate

23/11/2017

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM3

Pus aspirate

22/11/2017

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM4

Pus aspirate

22/11/2017

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM5

Pus aspirate

04/12/2017

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM6

Pus aspirate

29/11/2017

No bacterial growth

NT

          

DRKM7

Pus aspirate

04/12/2017

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM8

Pus aspirate

14/12/2017

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM9

Pus aspirate

18/12/2017

Staphylococcus aureus

NEG

NEG

> 8

R

> 4

R

≤0.25

R

≤2

S

S

DRKM10

Pus aspirate

19/12/2017

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM11

Pus aspirate

20/12/2017

Staphylococcus aureus

POS

NEG

≤0.12

S

≤0.5

S

≤0.25

S

≤2

S

S

DRKM12

Pus aspirate

20/12/2017

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM13

Pus aspirate

18/01/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM14

Pus aspirate

18/01/2018

No bacterial growth

NT

          

DRKM15

Pus aspirate

18/01/2018

No bacterial growth

NT

          

DRKM16

Pus aspirate

23/01/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM17

Pus aspirate

06/02/2018

Staphylococcus aureus

POS

NEG

< 0.12

S

≤0.5

S

≤0.25

S

≤2

S

S

DRKM18

Pus aspirate

06/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM19

Pus aspirate

06/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM20

Pus aspirate

08/02/2018

Staphylococcus epidermidis

NT

          

DRKM21

Pus aspirate

12/02/2018

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM22

Pus aspirate

12/02/2018

Staphylococcus aureus

POS

NEG

< 0.12

S

≤0.5

S

≤0.25

S

≤2

S

S

DRKM23

Pus aspirate

15/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM30

Pus aspirate

21/02/2018

Staphylococcus aureus

POS

NEG

8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM31

Pus aspirate

22/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM32

Pus aspirate

12/03/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM33

Pus aspirate

13/03/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM34

Pus aspirate

13/03/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM35

Pus aspirate

12/03/2018

Staphylococcus aureus

NEG

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM24a

Skin scrapings

21/02/2018

Staphylococcus haemolyticus

NEG

POS

8

R

> 4

R

> 2

R

> 4

R

R

DRKM25a

Pus aspirate

21/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM26a

Skin scrapings

21/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

R

DRKM27a

Skin scrapings

21/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM28a

Pus aspirate

21/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

DRKM29a

Pus aspirate

21/02/2018

Staphylococcus aureus

POS

NEG

> 8

R

≤0.5

S

≤0.25

S

≤2

S

S

  1. aSpecimens obtained from mine workers who reported to have cutaneous abscesses during interviews, bCefoxitin screen, PVL Panton-Valentine leukocidin, POS Positive, NEG Negative, NT Not tested, MIC Minimum inhibitory concentration, Interp interpretation, Pen Penicillin, Eryth Erythromycin, Clinda Clindamycin, SXT Trimethoprim/sulfamethoxazole, S Susceptible, R Resistant