Table 5 Reduction in FemB copies from viable S. aureus still present on outer shell fabrics after washing with sanitizer

Duration of vortexing in water or sanitizer

Swatch type

Exp. no.

Inoculum (femB copies/ swatch)

femB copies from viable cells remaining on water washed swatch (femB /^aSD)

femB copies from viable cells remaining on sanitizer washed swatch (femB /^aSD)

Percent reduction

10 Seconds (Carrier Count Control)

Gemini™

1

2.2 × 10⁶

1.0 × 10⁵ /1.5 × 10⁵

3.1 × 10⁴ /8.0 × 10⁴

69

Gemini™

2

2.0 × 10⁶

3.6 × 10⁴ /1.5 × 10⁴

5.7 × 10³ /4.7 × 10³

84

Gemini™

3

2.0 × 10⁷

5.6 × 10³ /3.5 × 10³

2.0 × 10¹ /4.4 × 10¹

99.6

Gemini™

4

6.0 × 10⁶

5.4 × 10⁴ /4.6 × 10⁴

1.2 × 10³ / 8.9 × 10²

98

Advance™

1

1.0 × 10⁷

4.8 × 10⁴ /5.0 × 10⁴

4.5 × 10¹ /2.2 × 10¹

100

Advance™

2

1.0 × 10⁷

8.2 × 10⁴ /4.7 × 10⁴

3.7 × 10³ /5.2 × 10³

95

Pioneer™

1

2.2 × 10⁵

2.8 × 10⁴ /2.3 × 10⁴

2.9 × 10¹ /4.7 × 10¹

99.9

Cotton

1

1.1 × 10⁵

2.3 × 10⁴ /2.3 × 10⁴

1.6 × 10² /3.0 × 10²

99.3

10 Minutes (Carrier Count Control)

Gemini™

1

1.1 × 10⁷

6.7 × 10⁴ /5.0 × 10⁴

8.6 × 10³ /9.2 × 10³

87

Gemini™

2

2.3 × 10⁸

7.2 × 10⁵ /4.6 × 10⁵

1.7 × 10⁵ /2.7 × 10⁵

77

Gemini™

3

4.0 × 10⁷

8.1 × 10⁴ /2.0 × 10⁴

1.6 × 10⁴ /1.8 × 10⁴

80

Gemini™

4

1.5 × 10⁸

9.7 × 10⁴ /2.0 × 10⁴

2.5 × 10⁴ /3.8 × 10⁴

74

Advance™

1

1.2 × 10⁷

6.4 × 10⁴ /2.5 × 10⁵

4.7 /9.7

100

Advance™

2

5.5 × 10⁶

7.6 × 10⁴ /4.3 × 10⁵

9.3 × 10² /1.2 × 10⁴

99

Pioneer™

1

1.1 × 10⁷

2.5 × 10⁵ /1.1 × 10⁵

1.0 × 10³ /3.5 × 10²

99.6

Cotton

1

9.1 × 10⁶

2.1 × 10⁶ /4.0 × 10⁵

1.9 × 10² /1.7 × 10²

100

Washer/extractor

Swatch type

Exp. no.

Inoculum (femB copies/Swatch)

femB copies from viable cells remaining on unwashed swatch (femB /^aSD

femB copies from viable cells remaining on fabric sanitizer washed swatch (femB /^aSD)

Percent reduction

Test 1

Gemini™

1

9.6 × 10⁷

1.6 × 10⁶ /1.7 × 10⁶

6.8 × 10³ /2.0 × 10⁴

99.6

Test 2

Pioneer™

2

8.7 × 10⁷

4.7 × 10⁵ /2.1 × 10⁶

3.1 × 10² / 2.0 × 10⁴

99.9