Table 2. Overview of study designs of included studies.
| Category | Publications on Zika virus | Publications on other flaviviruses |
|---|---|---|
| Epidemiological studies | ||
| Case reports | 44 | 7 |
| Case series | 18 | 1 |
| Cohort studies | 4 | — |
| Case–control studies | — | — |
| Outbreak or surveillance reports | 1 | — |
| Mathematical modelling studies | 2 | — |
| Basic research studies | ||
| In vivo studies | 35 | 7 |
| In vitro studies | 6 | 1 |
| Review studies | — | 2 |
| Total publications | 110 | 18 |
| Reporting on sexual transmission between 2 partners | 24a | 1 |
| Publications used for quantitative analysis | 51 | — |
| Reporting serial interval | 12a | — |
| Reporting at least 1 measurement in bodily fluids of interest using reverse transcription PCR or viral culture | 48a | — |
aOverlap in publications; one publication can report on multiple outcomes (e.g., reporting on serial interval and/or persistence and/or sexual transmission).