Table 3.
Annual genotypic distribution of viral gastroenteritis in Korea, 2013–2019
| Year | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pathogens | Genotype | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) | No. | (%) |
| NoV | GI Group | 27 | (3.4) | 36 | (4.6) | 17 | (3.3) | 11 | (2.2) | 10 | (1.6) | 27 | (6.6) | 8 | (1.5) | 136 | (3.3) |
| GII.2 | 34 | (4.3) | 15 | (1.9) | 13 | (2.5) | 36 | (7.2) | 72 | (11.4) | 88 | (21.6) | 85 | (16.3) | 343 | (8.3) | |
| GII.3 | 74 | (9.4) | 131 | (16.6) | 74 | (14.3) | 118 | (23.7) | 86 | (13.6) | 38 | (9.3) | 53 | (10.2) | 574 | (13.8) | |
| GII.4 | 439 | (56.0) | 412 | (52.1) | 279 | (54.0) | 249 | (50.1) | 380 | (60.2) | 170 | (41.7) | 303 | (58.3) | 2232 | (53.8) | |
| GII.6 | 96 | (12.2) | 96 | (12.1) | 26 | (5.0) | 14 | (2.8) | 25 | (4.0) | 28 | (6.9) | 17 | (3.3) | 302 | (7.3) | |
| GII.17 | 29 | (3.7) | 40 | (5.1) | 61 | (11.8) | 19 | (3.8) | 18 | (2.9) | 17 | (4.2) | 14 | (2.7) | 198 | (4.8) | |
| Other GII Group | 85 | (10.8) | 61 | (7.7) | 47 | (9.1) | 50 | (10.1) | 40 | (6.3) | 40 | (9.8) | 40 | (7.7) | 363 | (8.8) | |
| Total | 784 | (100.0) | 791 | (100.0) | 517 | (100.0) | 497 | (100.0) | 631 | (100.0) | 408 | (100.0) | 520 | (100.0) | 4148 | (100.0) | |
| HAdV | F40, F41 | 36 | (64.3) | 143 | (98.6) | 34 | (97.1) | 108 | (86.4) | 80 | (82.5) | 112 | (87.5) | 22 | (68.8) | 535 | (86.6) |
| Others | 20 | (35.7) | 2 | (1.4) | 1 | (2.9) | 17 | (13.6) | 17 | (17.5) | 16 | (12.5) | 10 | (31.3) | 83 | (13.4) | |
| Total | 56 | (100.0) | 145 | (100.0) | 35 | (100.0) | 125 | (100.0) | 97 | (100.0) | 128 | (100.0) | 32 | (100.0) | 618 | (100.0) | |
| HAstV | HAstV 1 | 61 | (95.3) | 51 | (64.6) | 57 | (91.9) | 52 | (70.3) | 59 | (60.8) | 72 | (79.1) | 25 | (45.5) | 377 | (72.2) |
| HAstV 2 | 0 | (0.0) | 1 | (1.3) | 1 | (1.6) | 12 | (16.2) | 6 | (6.2) | 0 | (0.0) | 2 | (3.6) | 22 | (4.2) | |
| HAstV 4 | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 4 | (5.4) | 21 | (21.6) | 10 | (11.0) | 3 | (5.5) | 38 | (7.3) | |
| HAstV 5 | 2 | (3.1) | 27 | (34.2) | 1 | (1.6) | 2 | (2.7) | 5 | (5.2) | 8 | (8.8) | 15 | (27.3) | 60 | (11.5) | |
| HAstV 8 | 1 | (1.6) | 0 | (0.0) | 1 | (1.6) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 2 | (0.4) | |
| Others | 0 | (0.0) | 0 | (0.0) | 2 | (3.2) | 4 | (5.4) | 6 | (6.2) | 1 | (1.1) | 10 | (18.2) | 23 | (4.4) | |
| Total | 64 | (100.0) | 79 | (100.0) | 62 | (100.0) | 74 | (100.0) | 97 | (100.0) | 91 | (100.0) | 55 | (100.0) | 522 | (100.0) | |
| SaV | GI | 29 | (70.7) | 22 | (75.9) | 9 | (75.0) | 30 | (78.9) | 32 | (97.0) | 19 | (95.0) | 34 | (72.3) | 175 | (79.5) |
| GII | 9 | (22.0) | 5 | (17.2) | 2 | (16.7) | 0 | (0.0) | 1 | (3.0) | 1 | (5.0) | 6 | (12.8) | 24 | (10.9) | |
| GV | 3 | (7.3) | 1 | (3.4) | 0 | (0.0) | 3 | (7.9) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 7 | (3.2) | |
| Others | 0 | (0.0) | 1 | (3.4) | 1 | (8.3) | 5 | (13.2) | 0 | (0.0) | 0 | (0.0) | 7 | (14.9) | 14 | (6.4) | |
| Total | 41 | (100.0) | 29 | (100.0) | 12 | (100.0) | 38 | (100.0) | 33 | (100.0) | 20 | (100.0) | 47 | (100.0) | 220 | (100.0) | |
Abbreviations: HAdV, human enteric adenovirus; HAstV, human astrovirus; NoV, norovirus; RVA, group A rotavirus; SaV, sapovirus.