Figure 1
Two data sources and quarantine (national strategy) measures for H1N1 by week and month in 2009.
H1N1, influenza A; KCDC, Korean Centers for Disease Control and Prevention.
*Eleven high risk countries had current epidemics: the United States, Canada, Mexico, United Kingdom, Spain, Australia, New Zealand, Chile, Thailand, Hong Kong, and the Philippines.
Figure 2
Infection sources reported at 13 National Quarantine Stations in KCDC and local cities until Aug 19.
KCDC, Korea Centers for Disease Control and Prevention.
Figure 3The composition of the inflow of confirmed imported cases by region and week and the status of influenza like illness (ILI) in Korea.
Figure 4Epidemic curves of confirmed imported cases of influenza A (H1N1) in 2009 detected from 13 National Quarantine Stations by geographic and climate area.
Table 1Composition of imported confirmed cases (from May 24 to Dec 31, 2009)
|
Male (n = 186) |
Female (n = 181 ) |
Total (n = 367) |
% |
Age (yr) |
|
|
|
|
0-9 |
17 |
27 |
44 |
12.0 |
10-19 |
45 |
49 |
94 |
25.7 |
20-29 |
67 |
72 |
139 |
37.9 |
30-39 |
27 |
19 |
46 |
12.5 |
40-49 |
14 |
5 |
19 |
5.1 |
50-59 |
14 |
8 |
22 |
6.0 |
Over 60 |
2 |
1 |
3 |
0.8 |
Group (yr) |
|
|
|
|
0-7 |
8 |
19 |
27 |
7.4 |
8-19 |
51 |
52 |
103 |
28.1 |
≥20 |
43 |
46 |
89 |
24.2 |
≥20* |
63 |
44 |
107 |
29.1 |
Unknown |
21 |
20 |
41 |
11.2 |
Nationality |
|
|
|
|
Korean |
167 |
161 |
328 |
89.4 |
Non-Korean |
18 |
13 |
31 |
8.4 |
Unknown |
1 |
7 |
8 |
2.2 |
Table 2The composition of the inflow of confirmed imported cases by country and by region (from May 24 to Dec 31, 2009)
Region |
Country |
n |
No. travelers by all countries |
Case proportion by country |
Case proportion by region |
Oceania |
Australia |
21 |
138,097 |
0.15 |
0.199 |
|
New Zealand |
8 |
32,161 |
0.25 |
|
|
Saipan* |
2 |
- |
- |
|
|
An incorporated territory of the United States (Guam) |
5 |
362 |
13.81 |
|
|
Sum |
36 |
170,620 |
|
|
South America |
Brazil |
2 |
16,890 |
0.12 |
0.118 |
|
Sum |
2 |
16,890 |
|
|
Southeast Asia |
Philippines |
54 |
419,591 |
0.13 |
0.071 |
|
Thailand |
26 |
592,021 |
0.04 |
|
|
Vietnam |
15 |
274,900 |
0.05 |
|
|
Malaysia |
5 |
129,789 |
0.04 |
|
|
Indonesia |
11 |
154,282 |
0.07 |
|
|
Sum |
111 |
1,570,583 |
|
|
North America |
United States |
52 |
1,055,295 |
0.05 |
0.049 |
|
Canada |
6 |
112,051 |
0.05 |
|
|
Hawaii* |
1 |
- |
- |
|
|
Sum |
59 |
1,167,346 |
|
|
Europe |
Finland |
3 |
26,266 |
0.11 |
0.035 |
|
England |
8 |
68,285 |
0.12 |
|
|
Italy |
1 |
24,698 |
0.04 |
|
|
France |
3 |
118,173 |
0.03 |
|
|
Russian Federation |
3 |
140,996 |
0.02 |
|
|
Germany |
2 |
201,420 |
0.01 |
|
|
Czech Republic |
1 |
19,640 |
0.05 |
|
|
Sum |
21 |
599,478 |
|
|
Northeast Asia |
Japan |
28 |
3,722,912 |
0.01 |
0.016 |
|
Hong Kong Special Administrative Region |
10 |
15,839 |
0.63 |
|
|
Singapore |
20 |
253,929 |
0.08 |
|
|
Taiwan |
9 |
312,315 |
0.03 |
|
|
People’s Republic of China |
65 |
3,888,930 |
0.02 |
|
|
Sum |
132 |
8,193,925 |
|
|
Total |
|
361 |
11,718,842 |
0.031 |
|