Table 2

Culture results for environmental swab samples

Date
Plate type
Total Plates
% Growth1
Organisms detected2

30-Sep-2005
Nutrient
6
66.7
N/A

Blood
4
75.0
N/A
6-Oct-2005
Nutrient
12
0.0
N/A

Blood
12
33.3
N/A
14-Oct-2005
Nutrient
14
16.7
N/A

Blood
0
0.0
N/A
21-Oct-2005
Nutrient
24
79.2
Bacillus sp (Bacillus M7)

Blood
0
0.0
Bacillus sp. (Bacillus M2, M11)
28-Oct-2005
Nutrient
10
80.0
N/A

Blood
6
83.3
N/A
3-Nov-2005
Nutrient
13
84.6
Bacillus sp. (Bacillus M7)

Blood
12
83.3
Bacillus sp. (Bacillus M11)
15-Nov-2005
Nutrient
22
81.8
Bacillus sp. (Bacillus M7)

Blood
16
56.3
Bacillus sp. (Bacillus M3, M11, 14)
18-Jan-2006
Nutrient
16
56.3
N/A

Blood
0
0.0
N/A
25-Jan-2006
Nutrient
16
68.8
N/A

Blood
16
75.0
N/A
3-Feb-2006
Nutrient
12
75.0
Bacillus sp. (Bacillus M2, M7, M10), Staphylococcus sp. (Staph. M1)

Blood
16
81.3
Bacillus sp. (Bacillus M1, M2, M3, M14), Staphylococcus sp. (Staph. M2), Moraxella sp. (Morax. M1), Brevibacterium sp. (Brevi. M1b), Brevibacillus sp. (Brevi. M1a)
15-Feb-2006
Nutrient
10
90.0
Bacillus sp. (Bacillus M10), Staphylococcus sp. (Staph. M3)

Blood
10
80.0
Bacillus sp. (Bacillus M1), Microbacterium sp. (Microbac. M1)
1-Mar-2006
Nutrient
10
70.0
Pseudomonas sp. (Pseudo. M1), Bacillus sp. (Bacillus M1, M5, M7), Staphylococcus sp. (Staph M3)

Blood
10
60.0
Bacillus sp. (Bacillus M1, M5, M9, M11), Staphylococcus sp. (Staph. M2)
8-Mar-2006
Nutrient
20
85.0
Bacillus sp. (Bacillus M5, M7), Staphylococcus sp. (Staph. M3), Enterococcus sp. (Enterococ. M1)

Blood
20
90.0
Bacillus sp. (Bacillus M1, M11), Staphylococcus sp. (Staph. M2), Moraxella sp. (Morax. M1)
29-Mar-2006
Nutrient
16
50.0
Bacillus sp. (Bacillus M5, M7), Staphylococcus sp. (M1), Enterococcus sp. (Enterococ. M1)

Blood
16
50.0
Bacillus sp. (Bacillus M2, M5a, M11, M13), Staphylococcus sp. (M2)
5-Apr-2006
Nutrient
12
41.7
Bacillus sp. (Bacillus M7, M12), Staphylococcus sp. (Staph. M1, M3), Acinetobacter sp. (Acinet. M1)

Blood
12
58.3
Bacillus sp. (Bacillus M2, M8, M11, M14), Staphylococcus sp. (M2, M3)
12-Apr-2006
Nutrient
16
37.5
Bacillus sp. (Bacillus M7, M12), Brevibacterium sp. (Brevi. M1b), Pseudomonas sp. (Pseudo. M1), Exiguobacterium sp. (Exiguobac. M1)

Blood
16
43.8
Bacillus sp. (Bacillus M1, M2, M8, M11), Staphylococcus sp. (Staph. M2), Brevibacterium sp. (Brevi. M1a), Exiguobacterium sp. (Exiguobac. M1)
19-Apr-2006
Nutrient
16
43.8
Bacillus sp. (Bacillus M10, M12), Acinetobacter sp. (Acinet. M1), Enterococcus sp. (Enterococ. M1)

Blood
16
81.3
Bacillus sp. (Bacillus M1, 2, M15), Brevibacterium sp. (Brevi. M1b), Microbacterium sp. (Microbac. M1a)

1 Percentage of plates with microbial growth

2 Observed morphologies (see Table 1); N/A = Not Available for that sampling day.

Lee et al. BMC Microbiology 2007 7:27   doi:10.1186/1471-2180-7-27