TABLE 2.
Number of samples tested in each country in each group (not exposed, serologically positive, or vaccinated with B. abortus)
| Statusa | No. of observations per country and combined
|
||||
|---|---|---|---|---|---|
| Argentina | Chile | Colombia | Costa Rica | Combined | |
| Negative | 215 | 972 | 554 | 872 | 2,613 |
| Positive | 709 | 692 | 266 | 190 | 1,857 |
| Vaccinate | NAb | 954 | 1,110 | 1,002 | 3,066 |
a
All samples were defined relative to their RBT and CFT results.
b
NA, data not available. There was an insufficient number of vaccinates to be a separate category, and so the data was combined with negatives.