Table 2.
Stool Microbiology by Challenge Agent and Study
| Study | Number of Participants | Number of Participants With ≥1 Positive Stool Sample | Number of Days Shedding (Median [Interquartile Range]) |
Number of Samples from Salmonella Typhi-challenged Participants | Number of Samples from Salmonella Paratyphi A-challenged Participants | Total | |||
|---|---|---|---|---|---|---|---|---|---|
| Negative | Positive | Negative | Positive | ||||||
| 1 | OVG2009/10 (T1) |
40 | 22 (55%) | 1 [0–2] | 520 | 54 (9%) | ... | ... | 574 |
| 2 | OVG2011/02 (T2) |
92 | 72 (78%) | 2 [1–4] | 908 | 217 (19%) | ... | ... | 1125 |
| 3 | OVG2013/07 (P1) |
40 | 17 (43%) | 0 [0–1] | ... | ... | 510 | 36 (7%) | 546 |
| 4 | OVG2014/08 (VAST) |
103 | 64 (62%) | 1 [0–2] | 842 | 126 (13%) | ... | ... | 968 |
| 5 | OVG2014/01 (PATCH) |
115 | 56 (45%) | 0 [0–2] | 562 | 84 (13%) | 633 | 57 (8%) | 1336 |
| 6 | OVG2016/03 (TYGER) |
40 | 24 (60%) | 1 [0–2] | 329 | 56 (15%) | ... | … | 385 |
| Total | 430 | 255 (59%) | 3161 | 537 (14.5%) | 1143 | 93 (7.5%) | 4934 | ||