Table 3.
Details on the electronic search strategy.
| Reason | Main reason for exclusion | Number | References |
|---|---|---|---|
| 1. | Nasal spray(s) alone or in combination with mouthwash(es) | 8 | [30], [31], [33], [34], [40], [41], [59], [64] |
| 2. | Study type (in silico, animal studies, case report/series, non-randomized clinical trials, review, no experimental data) | 14 | [42], [46], [47], [48], [54], [60], [62], [63], [68], [71], [82], [85], [86], [125] |
| 3. | Off-topic | 4 | [32], [35], [45], [49] |
| 4. | No longitudinal data on SARS-CoV-2 viral load in human oropharyngeal fluids and surrogates | 11 | [54], [56], [57], [58], [66], [67], [68], [70], [80], [83], [87] |
| 5. | Investigation/use of viruses or pseudoviruses different from SARS-CoV-2 | 5 | [50], [51], [52], [77], [81] |
| 6. | Absence of a control group (as defined in the "Materials and methods" section) | 4 | [37], [38], [39], [65] |
| 7. | Missing details on mouthwash formulation, concentration and/or application time | 10 | [36], [44], [69], [72], [73], [74], [75], [76], [78], [85] |
| 8. | Language | 1 | [43] |
| 9. | Sample Size < 15 patients | 3 | [53], [79], [84] |