Table 2.
The serotype distribution of clinical Salmonella isolates during 2013 and 2018
| Serotype | No. of isolates by year (recovery rate, %) | ||||||
|---|---|---|---|---|---|---|---|
| 2013 (n = 931) | 2014 (n = 793) | 2015 (n = 652) | 2016 (n = 1285) | 2017 (n = 887) | 2018 (n = 691) | Total (n = 5239) | |
| Typhimurium | 6 (0.6) | 8 (1.0) | 5 (0.8) | 58 (4.5) | 22 (2.5) | 19 (2.7) | 118 (2.3) |
| Enteritidis | 18 (1.9) | 6 (0.8) | 10 (1.5) | 12 (0.9) | 13 (1.5) | 12 (1.7) | 71 (1.4) |
| London | 2 (0.2) | 3 (0.4) | 2 (0.3) | 1 (0.1) | 4 (0.5) | 0 (0.0) | 12 (0.2) |
| 4, 5, 12: i: - | 0 (0.0) | 3 (0.4) | 0 (0.0) | 6 (0.5) | 0 (0.0) | 2 (0.3) | 11 (0.2) |
| Senftenberg | 1 (0.1) | 6 (0.8) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (0.1) | 8 (0.2) |
| Stanley | 0 (0.0) | 3 (0.4) | 0 (0.0) | 1 (0.1) | 1 (0.1) | 2 (0.3) | 7 (0.1) |
| Agona | 3 (0.3) | 1 (0.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (0.1) | 5 (0.1) |
| Litchfield | 0 (0.0) | 0 (0.0) | 5 (0.8) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 5 (0.1) |
| Weltevreden | 3 (0.3) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 1 (0.1) | 4 (0.1) |
| Others | 6 a (0.6) | 2 b (0.3) | 11 c (1.7) | 7 d (0.5) | 10 e (1.1) | 8 f (1.2) | 44 (0.8) |
| Un-typable | 4 (0.4) | 1 (0.1) | 1 (0.2) | 2 (0.2) | 3 (0.3) | 1 (0.1) | 12 (0.2) |
| Total | 43 (4.6) | 33 (4.2) | 34 (5.2) | 87 (6.8) | 53 (6.0) | 47 (6.8) | 297 (5.7) |
a Two strains of serotype Derby, 1 Ruzizi, 1 Meleagridis, and 2 Regent were included.
b One isolate of serotype Gallinarum-pullorum and 1 Drogana were included.
c One strain of Essen, 2 Manchester, 1 Sinstorf, 1 Chester, 1 Chomedey, 1 Tshiongwe, 1 Chennai, 1 Rissen, 1 Papuana, and 1 Fillmore were included.
d Two strains of serotype Virchow, 2 Nigeria, 1 Bovismorbificans, 1 Hidalgo, and 1 Amherstiana were included.
e Two strains of serotype Infantis, 1 Montevideo, 1 Bovismorbificans, 1 Chester, 2 Braenderup, 1 Kottbus, 1 Corvallis, and 1 Kentucky were included.
f One strain of serotype Rissen, 1 Hato, 1 Sarajane, 1 Chester, 1 Assinie, 1 Pomona, 1 Muenster, and 1 Vilvoorde were included.