Table 1.
Characteristics of study participants
| A. Evaluation of oral swab samples and dried blood spots (DBS) in acute dengue patients | |||||||
|---|---|---|---|---|---|---|---|
| Study site | Sample evaluated | Number of samples: plasma/oral swab or DBS | Median age in years (range) | Median day of illness (range) | Laboratory-confirmed dengue | ||
| Enrollment | Discharge | Enrollment sample | Discharge sample | ||||
| Hospital for Tropical Diseases | Oral swab | 66/66 | 59/59 | 12 (6–14) | 3 (2–3) | 9 (6–13) | 66/66 |
| Tien Giang Hospital | Oral swab | 50/49 | 47/48 | 8 (3–17) | 3 (2–4) | 8 (5–16) | 29/50 |
| Hospital for Tropical Diseases | Dried blood spot | 44/44 | 43/43 | 22 (15–39) | 3 (1–3) | 8 (3–10) | 44/44 |
| B. Evaluation of oral swab samples in healthy volunteers | |||||||
| Study site | Sample evaluated | Number of samples: plasma/oral swab | |||||
| Hospital for Tropical Diseases | Oral swab | 60/60 | |||||