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aYeosu National Quarantine Station, Korea Centers for Disease Control and Prevention, Yeosu, Korea
bDivision of Viral Disease Research, Korea Centers for Disease Control and Prevention, Osong, Korea
cDivision of Quarantine Support, Korea Centers for Disease Control and Prevention, Osong, Korea
Copyright ©2019, Korea Centers for Disease Control and Prevention
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Year | Target genes | No. PCR positive samples | PCR positive (%) | No. bacterial isolates | Positive isolation (%) | No. total samples |
---|---|---|---|---|---|---|
2017 | hlyA | 678 | 28.52 | 376 | 15.82 | 2,377 |
ctxA | 0 | 0 | 0 | 0 | ||
vvhA | 799 | 33.61 | 313 | 13.17 | ||
tlh | 1,838 | 77.32 | 1,564 | 65.80 | ||
2018 | hly | 987 | 35.06 | 641 | 21.81 | 2,815 |
ctxA | 0 | 0 | 0 | 0 | ||
vvh | 1,213 | 43.09 | 546 | 19.40 | ||
tlh | 2,107 | 74.85 | 1,972 | 70.05 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2017 | 0 | 0 | 0 | 1 | 0* (1)† | 1 (1) | 2 | 13 (8) | 19 (11) | 9 (3) | 1 | 0 | 46 (24) |
2018 | 0 | 0 | 0 | 1 | 0 | 2 | 7 (3) | 16 (8) | 10 (6) | 11 (3) | 0 | 0 | 47 (20) |
Year | Environmental-type | Clinical-type | No. total isolates |
---|---|---|---|
2017 | 4 | 81 | 313 |
2018 | 38 | 489 | 546 |
Month | No. of samples | No. of sites | No. of positives | |||||
---|---|---|---|---|---|---|---|---|
| ||||||||
V. cholerae non-O1/non-O139 | V. vulnificus | V. parahaemolyticus | ||||||
|
|
|
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PCR-positive | Colony isolation | PCR-positive | Colony isolation | PCR-positive | Colony isolation | |||
Jan | 66 | 3 | 12 (18.18) | 2 (3.03) | 0 (0) | 0 (0) | 28 (42.42) | 20 (30.30) |
| ||||||||
Feb | 70 | 3 | 13 (18.57) | 4 (5.71) | 0 (0) | 0 (0) | 27 (38.57) | 25 (35.71) |
| ||||||||
Mar | 70 | 3 | 13 (18.57) | 10 (14.29) | 5 (7.14) | 1 (1.43) | 23 (32.86) | 17 (24.29) |
| ||||||||
Apr | 290 | 13 | 38 (13.10) | 21 (7.24) | 21 (7.24) | 12 (4.14) | 130 (44.83) | 96 (33.10) |
| ||||||||
May | 290 | 13 | 63 (21.65) | 35 (12.03) | 39 (13.40) | 16 (5.50) | 233 (80.07) | 196 (60.48) |
| ||||||||
Jun | 290 | 13 | 81 (27.93) | 55 (18.97) | 79 (27.24) | 37 (12.76) | 263 (90.69) | 204 (70.34) |
| ||||||||
Jul | 290 | 13 | 107 (36.90) | 66 (22.76) | 129 (44.48) | 56 (19.31) | 267 (92.07) | 223 (76.90) |
| ||||||||
Aug | 290 | 13 | 133 (45.86) | 73 (25.17) | 193 (66.55) | 71 (24.48) | 272 (93.79) | 248 (85.52) |
| ||||||||
Sep | 290 | 13 | 94 (32.87) | 50 (17.48) | 181 (63.29) | 66 (22.76) | 251 (87.76) | 238 (83.22) |
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Oct | 290 | 13 | 90 (31.47) | 39 (13.64) | 136 (47.55) | 48 (16.55) | 244 (85.31) | 222 (77.62) |
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Nov | 70 | 3 | 17 (25.76) | 12 (18.18) | 11 (16.67) | 6 (8.57) | 54 (81.82) | 50 (75.76) |
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Dec | 70 | 3 | 17 (25.76) | 9 (13.64) | 5 (7.58) | 0 (0) | 46 (68.18) | 45 (69.70) |
Month | No. of samples | No. of sites | No. of positives | |||||
---|---|---|---|---|---|---|---|---|
| ||||||||
V. cholerae non-O1/non-O139 | V. vulnificus | V. parahaemolyticus | ||||||
|
|
|
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PCR-positive | Colony isolation | PCR-positive | Colony isolation | PCR-positive | Colony isolation | |||
Jan | 70 | 3 | 19 (27.14) | 13 (18.57) | 2 (2.86) | 0 (0) | 31 (44.29) | 29 (41.43) |
| ||||||||
Feb | 70 | 3 | 12 (17.14) | 9 (12.86) | 2 (2.86) | 0 (0) | 19 (27.14) | 16 (22.86) |
| ||||||||
Mar | 70 | 3 | 20 (28.57) | 16 (22.86) | 5 (7.14) | 1 (1.43) | 20 (28.57) | 20 (28.57) |
| ||||||||
Apr | 290 | 13 | 52 (17.93) | 36 (12.41) | 26 (8.97) | 12 (4.14) | 80 (27.59) | 74 (25.52) |
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May | 290 | 13 | 66 (22.76) | 41 (14.14) | 40 (13.79) | 14 (4.83) | 169 (58.28) | 147 (50.69) |
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Jun | 290 | 13 | 95 (32.76) | 64 (22.07) | 101 (34.83) | 28 (9.66) | 244 (84.14) | 218 (75.17) |
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Jul | 290 | 13 | 150 (51.72) | 87 (30.0) | 182 (62.76) | 71 (24.48) | 252 (86.90) | 231 (79.66) |
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Aug | 290 | 13 | 343 (47.31) | 229 (21.38) | 465 (64.14) | 194 (26.76) | 658 (90.76) | 619 (85.38) |
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Sep | 290 | 13 | 125 (43.10) | 62 (21.38) | 217 (74.83) | 133 (45.86) | 280 (96.55) | 273 (94.14) |
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Oct | 290 | 13 | 80 (27.59) | 44 (15.17) | 156 (53.79) | 85 (29.31) | 261 (90.00) | 254 (87.59) |
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Nov | 70 | 3 | 13 (8.57) | 8 (11.43) | 12 (17.14) | 5 (7.14) | 53 (75.71) | 52 (74.29) |
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Dec | 70 | 3 | 12 (17.14) | 5 (7.14) | 5 (7.14) | 3 (4.29) | 40 (57.14) | 39 (55.71) |