Table 1Water- and foodborne disease outbreaks by month in Korea, 2007–2009
Year |
Total |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
Patients per outbreak |
Total (no.) |
1026 |
52 |
45 |
62 |
86 |
132 |
121 |
93 |
124 |
116 |
65 |
67 |
63 |
24.7 |
% |
100.0 |
5.1 |
4.4 |
6.0 |
8.4 |
12.9 |
11.8 |
9.1 |
12.1 |
11.3 |
6.3 |
6.5 |
6.1 |
|
2007 |
444 |
22 |
13 |
25 |
31 |
65 |
56 |
46 |
68 |
45 |
23 |
27 |
23 |
22.2 |
2008 |
355 |
14 |
16 |
19 |
31 |
29 |
34 |
25 |
27 |
53 |
34 |
35 |
28 |
24.3 |
2009 |
227 |
16 |
16 |
18 |
24 |
38 |
31 |
22 |
19 |
18 |
8 |
5 |
12 |
30.2 |
Table 2Water- and foodborne disease outbreaks by location in Korea, 2007–2009 (no. of outbreaks (%)/patients per outbreak)
Year |
Total |
Food service establishments
|
Public restaurants |
Others |
Schools |
Camps |
Others |
Subtotal |
Total |
1026 (100.0)/24.7 |
148 (14.4)/68.5 |
43 (4.2)/46.4 |
71 (6.9)/24.9 |
262 (25.5)/53.1 |
585 (57.0)/13.9 |
179 (17.5)/18.2 |
2007 |
444 (100.0)/22.2 |
64 (14.4)/50.6 |
24 (5.4)/37.8 |
36 (8.1)/26.6 |
124 (27.9)/41.2 |
262 (59.0)/14.4 |
58 (13.1)/16.7 |
2008 |
355 (100.0)/24.3 |
44 (12.4)/74.3 |
12 (3.4)/59.8 |
21 (5.9)/23.6 |
77 (21.7)/58.2 |
230 (64.8)/13.4 |
48 (13.5)/22.0 |
2009 |
227 (100.0)/30.2 |
40 (17.6)/90.7 |
7 (3.1)/53.4 |
14 (6.2)/22.5 |
61 (26.9)/70.8 |
93 (41.0)/14.0 |
73 (32.1)/16.8 |
Table 3Water- and foodborne disease outbreaks by month and pathogen in Korea, 2007–2009
Pathogens |
Total (no.) |
% |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
Patients per outbreak |
Total |
913 |
100.0 |
46 |
41 |
54 |
81 |
115 |
98 |
89 |
112 |
111 |
56 |
56 |
54 |
25.8 |
|
Identified |
|
|
|
|
|
|
|
Norovirus |
151 |
16.5 |
18 |
14 |
14 |
24 |
18 |
12 |
5 |
2 |
5 |
4 |
16 |
19 |
29.8 |
Pathogenic Escherichia coli
|
127 |
13.9 |
3 |
0 |
3 |
13 |
13 |
20 |
23 |
21 |
19 |
7 |
2 |
3 |
54.7 |
Salmonella spp. |
70 |
7.7 |
0 |
1 |
5 |
6 |
15 |
12 |
8 |
7 |
12 |
2 |
1 |
1 |
28.2 |
Vibrio parahaemolyticus
|
64 |
7.0 |
0 |
0 |
1 |
0 |
2 |
3 |
7 |
24 |
18 |
7 |
2 |
0 |
15.7 |
Staphylococcus aureus
|
50 |
5.5 |
3 |
2 |
1 |
2 |
8 |
6 |
8 |
4 |
8 |
5 |
2 |
1 |
37.6 |
Campylobacter spp. |
17 |
1.9 |
0 |
0 |
0 |
1 |
3 |
1 |
5 |
4 |
2 |
1 |
0 |
0 |
63.8 |
Shigella spp. |
17 |
1.9 |
4 |
0 |
1 |
0 |
2 |
1 |
0 |
0 |
2 |
2 |
4 |
1 |
7.8 |
Bacillus cereus
|
14 |
1.5 |
0 |
1 |
2 |
2 |
2 |
2 |
0 |
2 |
1 |
0 |
1 |
1 |
21.3 |
Clostridium perfringens
|
10 |
1.1 |
0 |
1 |
4 |
2 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
94.6 |
Others |
17 |
1.9 |
0 |
1 |
1 |
3 |
3 |
2 |
2 |
1 |
2 |
0 |
2 |
0 |
22.1 |
Multiple pathogens |
12 |
1.3 |
0 |
2 |
1 |
0 |
3 |
1 |
0 |
1 |
0 |
1 |
0 |
3 |
28.8 |
Subtotal |
549 |
60.1 |
28 |
22 |
33 |
53 |
70 |
60 |
58 |
66 |
70 |
29 |
30 |
30 |
35.5 |
|
Unidentified |
364 |
39.9 |
18 |
19 |
21 |
28 |
45 |
38 |
31 |
46 |
41 |
27 |
26 |
24 |
11.1 |