Table 1.
Serogroup/Serovar | Number of isolates | Prevalence (%)2 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
2004 | 2005 | 2006 | 2007 | Total | 2004 | 2005 | 2006 | 2007 | Total | |
Serogroup B | 1133 | 1045 | 938 | 854 | 3970 | 44.3 | 46.9 | 44.0 | 42.4 | 44.5 |
S. Typhimurium | 571 | 551 | 441 | 412 | 1975 | 22.3ab | 24.7a | 20.7b | 20.4b | 22.1ab |
S. Stanley | 287 | 183 | 242 | 168 | 880 | 11.2 | 8.2 | 11.4 | 8.3 | 9.9 |
Serogroup C1 | 364 | 229 | 234 | 184 | 1101 | 14.2 | 10.3 | 11.0 | 9.1 | 11.3 |
S. Choleraesuis | 111 | 65 | 30 | 17 | 223 | 4.3 (30.5) |
2.9 (28.4) |
1.41 (12.8) |
0.84 (9.23) |
2.50 (22.6) |
S. Braenderup | 96 | 46 | 66 | 32 | 240 | 3.8 (26.4) |
2.1 (20.9) |
3.1 (28.2) |
1.6 (17.4) |
2.7 (23.7) |
S. Bareilly | 54 | 41 | 47 | 54 | 196 | 2.1 (14.8) |
1.8 (17.9) |
2.2 (20.1) |
2.7 (29.4) |
2.2 (19.4) |
S. Virchow | 43 | 34 | 33 | 19 | 129 | 1.7 (11.8) |
1.5 (14.8) |
1.6 (14.1) |
0.9 (10.3) |
1.4 (12.8) |
Other serovars1 | 60 | 43 | 58 | 62 | 223 | 2.3 (16.5) |
1.9 (18.8) |
2.7 (24.8) |
3.1 (33.7) |
2.5 (22.1) |
Serogroup C2-C3 | 231 | 246 | 239 | 228 | 944 | 9.0 | 11.0 | 11.2 | 11.3 | 10.6 |
S. Newport | 144 | 137 | 135 | 147 | 563 | 5.6 | 6.1 | 6.3 | 7.3 | 6.3 |
S. Albany | 87 | 109 | 104 | 81 | 381 | 3.4 | 4.9 | 4.9 | 4.0 | 4.3 |
Serogroup D | 597 | 550 | 583 | 609 | 2339 | 23.3 | 24.7 | 27.4 | 30.2 | 26.2 |
S. Enteritidis | 586 | 543 | 567 | 582 | 2278 | 22.9c | 24.4bc | 26.6ab | 28.9a | 25.5 |
Serogroup E1 | 122 | 76 | 64 | 70 | 332 | 4.8 | 3.4 | 3.0 | 3.5 | 3.7 |
S. Weltevreden | 94 | 61 | 556 | 62 | 273 | 3.7 | 2.7 | 2.6 | 3.1 | 3.1 |
Sum3 | 2447 | 2147 | 2058 | 1954 | 8736 | 95.6 | 96.3 | 96.6 | 96.5 | 96.3 |
Total Salmonellae | 2,557 | 2,228 | 2,131 | 2,015 | 8,931 |
1Other serogroup C1 serovars include are mainly S. Infantis, S. Potsdam, S. Mbandaka, and S. Montevideo.
2Numbers in parenthesis indicate the percentage of isolates of a C1 serovar over total serogroup C1 isolates.
3Sum is the total number of serogroup B, C1, C2-C3, D, and E isolates.
abcDifferent letters indicate significant difference between years.