Table 2.
Geographical distribution of dengue virus cases confirmed by the Institut Pasteur du Laos arbovirus surveillance network between 2012 and 2020.
| Province | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Vientiane Capital | 105 | 467 | 8 | 65 | 286 | 644 | 290 | 870 | 485 | 3220 |
| Attapeu | 0 | 0 | 0 | 25 | 6 | 69 | 111 | 62 | 16 | 289 |
| Bokeo | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Bolikhamxay | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 9 | 13 | 27 |
| Champasak | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 41 | 0 | 45 |
| Huaphanh | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Khammuane | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 5 |
| Luangprabang | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 15 | 18 | 36 |
| Oudomxay | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
| Saravane | 0 | 0 | 0 | 0 | 42 | 150 | 29 | 102 | 33 | 356 |
| Savannakhet | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 25 | 6 | 50 |
| Vientiane Province | 8 | 38 | 0 | 0 | 0 | 4 | 9 | 37 | 30 | 126 |
| Xayaboury | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 5 |
| Xaysomboun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 |
| Xiengkhuang | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 2 | 15 |
| Unknown | 16 | 23 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 42 |
| Total | 131 | 537 | 11 | 90 | 334 | 871 | 466 | 1178 | 609 | 4227 |