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Prevalence of different exposures during outbreak, C County, Shandong, August 2021
| Form | Cases | Attack rate (%) | RR (95%CI) | ||
|---|---|---|---|---|---|
| Exposed | Nonexposed | Exposed | Nonexposed | ||
| Participated in slaughtering/cutting beef | 10 | 0 | 83.3 | 0 | 3.75 (1.08–13.07) |
| Participated in collecting tallow and beef bones | 1 | 0 | 33.3 | 0 | 1.50 (0.20–11.24) |
| Participated in handling and transporting beef/offal/cowhide | 2 | 0 | 22.2 | 0 | Ref |
| Ate cooked beef or sweetbreads | 0 | 0 | 0 | 0 | 0 |
| Lived with patients | 0 | 0 | 0 | 0 | 0 |
| Treated cases | 0 | 0 | 0 | 0 | 0 |
