Table 1.
Studies on acute hepatitis E virus infection in Bulgaria
| First author and reference | Year of Publication | Methodology | Target group | Diagnostics | Investigated, (n) | HEV positive, (n) |
|---|---|---|---|---|---|---|
| Teoharov et al. [5] | 1995 | Retrospective | Hospitalized | ELISA | 53 | 4 |
| Dikov et al. [8] | 2012 | Retrospective | Hospitalized | ELISA | 117 | 6 |
| Teoharov et al. [9] | 2014 | Retrospective | Hospitalized | ELISA HEV RNA |
741 | 67 |
| Petrov et al. [10] | 2015 | Retrospective | Hospitalized | ELISA | 112 | 12 |
| Baymakova et al. [11] | 2016 | Retrospective | Hospitalized | ELISA | 806 | 20 |
| Stoykova et al. [12] | 2017 | Retrospective | Hospitalized | ELISA | 325 | 111 |
| Bruni et al. [13] | 2018 | Retrospective | Hospitalized | ELISA HEV RNA |
103 | 76 |