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Dengue infection over the urban nuclei by year.
| Nuclei | Patients | DV+ | DV− |
|---|---|---|---|
| Year 1 | 335 (100%) | 35 (10%) | 300 (90%) |
| Northern | 174 (52%) | 10 (6%) | 164 (94%) |
| Southern | 161 (48%) | 25 (16%) | 136 (84%) |
| Year 2 | 514 (100%) | 210 (41%) | 304 (59%) |
| Northern | 100 (19%) | 18 (18%) | 82 (82%) |
| Southern | 414 (81%) | 192 (46%) | 222 (54%) |
Note: p = 0.005 for year 1, and p < 10−5 for year 2.
