Table 2. Frequency of Streptococcus suis serotypes identified by multiplex PCR in isolates from 108 wild boars from the metropolitan area of Barcelona, Spain, 2012–2015*.
| Serotype |
Isolates |
|
Wild boar | ||||
|---|---|---|---|---|---|---|---|
| No. nasal samples positive |
No. tonsillar samples positive |
Total no. samples positive |
Prevalence, % (95% CI) |
No. animals positive* |
Prevalence % (95% CI) |
||
| 2 | 2 | 1 | 3 | 0.9 (0.3–2.6) | 2 | 1.8 (0.5–6.5) | |
| 4 | 3 | 7 | 10 | 3.0 (1.6–5.4) | 10 | 9.2 (5.1–16.2) | |
| 6 | 5 | 0 | 5 | 1.5 (0.6–3.5) | 2 | 1.8 (0.5–6.5) | |
| 7 | 0 | 2 | 2 | 0.6 (0.2–2.2) | 2 | 1.8 (0.5–6.5) | |
| 8 | 3 | 1 | 4 | 1.2 (0.5–3.1) | 3 | 2.8 (0.9–7.8) | |
| 9 | 7 | 18 | 25 | 7.5 (5.1–10.9) | 13 | 12.0 (7.2–19.5) | |
| 10 | 4 | 1 | 5 | 1.5 (0.6–3.5) | 3 | 2.8 (0.9–7.8) | |
| 12 | 0 | 1 | 1 | 0.3 (0.0–1.7) | 1 | 0.9 (0.0–5.1) | |
| 15 | 0 | 4 | 4 | 1.2 (0.5–3.1) | 3 | 2.8 (0.9–7.8) | |
| 16 | 27 | 7 | 34 | 10.2 (7.4–14.0) | 17 | 15.7 (10.1–23.8) | |
| 17 | 1 | 0 | 1 | 0.3 (0.0–1.7) | 1 | 0.9 (0.0–5.1) | |
| 21 | 30 | 0 | 30 | 9.0 (6.4–12.6) | 12 | 11.1 (6.5–18.4) | |
| 23 | 3 | 0 | 3 | 0.9 (0.3–2.6) | 3 | 2.8 (0.9–7.8) | |
| 27 | 2 | 2 | 4 | 1.2 (0.5–3.1) | 4 | 3.7 (1.4–9.1) | |
| 28 | 1 | 2 | 3 | 0.9 (0.3–2.6) | 3 | 2.8 (0.9–7.8) | |
| 31 | 20 | 13 | 33 | 9.9 (7.1–13.6) | 23 | 21.3 (14.6–29.9) | |
| 33 |
3 |
0 |
3 |
0.9 (0.3–2.6) |
|
2 |
1.8 (0.5–6.5) |
| Nontypeable |
80 |
82 |
162 |
48.8 (43.5–54.1) |
|
70 |
64.8 (55.4–73.2) |
| Total | 191 | 141 | 332 | 100 | 108† | 100 | |
*Number of wild boars that were positive for that serotype, either from nasal or tonsillar isolates. †Total count does not coincide with the column sum because each wild boar can harbor >1 serotype and S. suis was not isolated from 17 wild boars.