| Lao PDR | Lao People’s Democratic Republic |
| WHO | World Health Organization |
| DWoWS | Dengue without warning signs |
| DWWS | Dengue with warning signs |
| SD | Severe dengue |
| DHF | Dengue hemorrhagic fever |
| ELISA | Enzyme-linked immunosorbent assay |
| NS1 | Nonstructural protein 1 |
| IgM | Immunoglobulin M |
| IgG | Immunoglobulin G |
| ADE | Antibody-dependent enhancement |
| nAb | Neutralizing antibody |
| YFV | Yellow fever virus |
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