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Salmonella prevalence in raccoon's faeces by location (total of 86 samples)
| Zone | San José | Santa Ana | Heredia |
| Sample animals | n = 24 | n = 48 | n = 14 |
| Prevalence | 0.46 | 0.52 | 0.43 |
| CI | 0.26–0.67 | 0.37–0.66 | 0.19–0.70 |
Abbreviation: CI, 95% confidence interval.
