Table. Summary of studies reviewed, indicating composition of reference datasets used for attribution analysis of human Campylobacter infections to animal or environmental sources, 2001−2017 (n = 25 studies).
| Paper (author/year) |
Poultry/chicken | Ruminant/cattle/sheep | Environmental/wild bird dataset(s) | Multiple sample types per source | Number of source populations | Years (max) between clinical and reference isolates | |
|---|---|---|---|---|---|---|---|
| C. jejuni | C. coli | ||||||
| Bessell (2012) [46] | Chicken | Ruminant | Wild bird | Yes | 3 | NA | 16 |
| Boysen (2014) [14] | Poultry | Cattle | NA | Yes | 5 | NA | 1a |
| Cody (2015) [22] | Chicken | Cattle, sheep | Wild bird | No | 4 | NA | 14 |
| Di Giannatale (2016) [23] | Chicken | Cattle, small ruminant | Wild bird, environmental | Yes | 6 | NA | No data |
| French (2008) [24] | Chicken | Cattle, sheep | Wild bird, environmental water | Yes | 5 | NA | 3a |
| Jonas (2015) [25] | Chicken | Cattle | NA | Yes | 3 | 3 | 6 |
| Kittl (2013) [26] | Chicken | NA | NA | Yes | 2 | 2 | 10a |
| Kovac (2018) [27] | Poultry | Cattle | Environmental (inc. wild birds) | Yes | 3 | NA | 12a |
| Levesque (2013) [28] | Chicken | Cattle | Environmental water, wild bird | No | 4 | NA | 2a |
| Mossong (2016) [29] | Poultry | Ruminant | Environmental water | Yes | 4 | 4 | 10 |
| Mughini Gras (2012) [30] | Chicken | Cattle, sheep | Environmental (inc. wild birds) | Yes | 5 | 5 | 13 |
| Mughini Gras (2013) [31] | Chicken | Cattle, sheep | Environmental (inc. wild birds) | Yes | 5 | 5 | 13 |
| Mullner (2009a) [16] | Chicken | Cattle, sheep | Environmental (inc. wild birds) | Yes | 4 | NA | 3a |
| Mullner (2009b) [13] | Chicken | Cattle, sheep | Environmental (inc. wild birds) | Yes | 4 | NA | 3a |
| Nohra (2016) [32] | Poultry | Ruminant | Environmental water | No | NA | 3 | 5 |
| Rosner (2017) [33] | Chicken | Cattle | NA | Yes | 5 | 5 | 10 |
| Roux (2013) [34] | Chicken | Cattle, sheep | NA | Yes | NA | 4 | 1a |
| Sears (2011) [35] | Poultry | Cattle, sheep | Environmental water | Yes | 4 | NA | 3a |
| Sheppard (2009) [36] | Chicken | Ruminant | Environmental (inc. wild birds) | Yes | 3b | 5b | 16 |
| Sheppard (2010) [37] | Chicken | Ruminant | Environmental (inc. wild birds) | Yes | NA | 5 | 6 |
| Smid (2013) [38] | Chicken | Cattle, sheep | Environmental (inc. wild birds) | Yes | 4 | 4 | 28 |
| Strachan (2009) [39] | Chicken | Cattle, sheep | Wild bird | No | 5 | 5 | 6 |
| Strachan (2013) [40] | Chicken | Cattle, sheep | Wild bird | No | 5 | 5 | 2a |
| Thépault (2017) [41] | Chicken | Ruminant | Environmental water | Yes | 3 | NA | 10 |
| Wilson (2008) [17] | Chicken | Cattle and sheep | Wild bird, water, sand | Yes | 8 | NA | 12 |
Inc.: including; NA: not applicable, whereby this species (C. jejuni or C. coli) or possible source was not included in the study.
a Clinical and attribution datasets from same temporal range.
b C. jejuni results expressed for ruminants; C. coli results expressed for cattle and sheep separately.