Period

Sites Sampled

Number of Samples

Positive n (%)

PR; IC 95%

Before Disinfection

Surfaces

210

85 (40.4)

1.3; [0.9 - 1.9]

Hands

81

24 (29.6)

Laboratory benches

21

13 (61.9)

2.0; [1.2 - 3.3]

Hands

81

24 (29.6)