Table 1 Distribution of S. flexneri and S. sonnei serotypes in Beijing between 1994 and 2010
From: Changing trends and serotype distribution of Shigella species in Beijing from 1994 to 2010
No. (%) of isolates | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Surveillance time | Total | S. flexneri serotype 1a | S. flexneri serotype 1b | S. flexneri serotype 2a | S. flexneri serotype 2b | S. flexneri serotype 3a | S. flexneri serotype 3b | S. flexneri serotype 4a | S. flexneri serotype 4b | S. flexneri serotype 4c | S. flexneri serotype 5 | S. flexneri serotype 6 | S. flexneri serotype x | S. flexneri serotype y | S. sonnei | |||||||||||||||
1994 | 615 | (10.36) | 113 | (18.37) | 0 | (0.00) | 262 | (42.60) | 3 | (0.49) | 0 | (0.00) | 0 | (0.00) | 3 | (0.49) | 3 | (0.49) | 2 | (0.33) | 1 | (0.16) | 2 | (0.33) | 0 | (0.00) | 1 | (0.16) | 225 | (36.59) |
1995 | 793 | (13.36) | 4 | (0.50) | 1 | (0.13) | 632 | (79.69) | 0 | (0.00) | 2 | (0.25) | 0 | (0.00) | 14 | (1.77) | 2 | (0.25) | 10 | (1.26) | 0 | (0.00) | 8 | (1.01) | 5 | (0.63) | 20 | (2.52) | 95 | (11.98) |
1996 | 1192 | (20.09) | 5 | (0.42) | 1 | (0.08) | 984 | (82.55) | 0 | (0.00) | 6 | (0.50) | 0 | (0.00) | 23 | (1.93) | 2 | (0.17) | 28 | (2.35) | 1 | (0.08) | 3 | (0.25) | 4 | (0.34) | 21 | (1.76) | 114 | (9.56) |
1997 | 474 | (7.99) | 2 | (0.42) | 0 | (0.00) | 365 | (77.02) | 0 | (0.00) | 1 | (0.21) | 0 | (0.00) | 4 | (0.84) | 1 | (0.21) | 6 | (1.26) | 1 | (0.21) | 0 | (0.00) | 6 | (1.26) | 9 | (1.90) | 79 | (16.65) |
1998 | 600 | (10.11) | 1 | (0.17) | 2 | (0.33 | 340 | (56.67) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 3 | (0.50) | 4 | (0.67) | 0 | (0.00) | 3 | (0.50) | 8 | (1.33) | 11 | (1.83) | 228 | (38.00) |
1999 | 475 | (8.00) | 6 | (1.26) | 3 | (0.63) | 192 | (40.42) | 3 | (0.63) | 11 | (2.32) | 2 | (0.42) | 4 | (0.84) | 2 | (0.42) | 2 | (0.42) | 2 | (0.42) | 24 | (5.05) | 54 | (11.37) | 23 | (4.84) | 147 | (30.95) |
2000 | 433 | (7.30) | 7 | (1.62) | 1 | (0.23) | 132 | (30.48) | 19 | (4.39) | 7 | (1.62) | 0 | (0.00) | 0 | (0.00) | 2 | (0.46) | 3 | (0.69) | 23 | (5.31) | 8 | (1.85) | 16 | (3.70) | 7 | (1.62) | 208 | (48.04) |
2001 | 214 | (3.61) | 1 | (0.47) | 1 | (0.47) | 81 | (37.85) | 6 | (2.80) | 0 | (0.00) | 1 | (0.47) | 11 | (5.14) | 1 | (0.47) | 15 | (7.01) | 0 | (0.00) | 1 | (0.47) | 4 | (1.87) | 0 | (0.00) | 92 | (42.99) |
2002 | 397 | (6.69) | 8 | (2.02) | 0 | (0.00) | 116 | (29.14) | 57 | (14.37) | 0 | (0.00) | 0 | (0.00) | 13 | (3.28) | 3 | (0.76) | 11 | (2.77) | 1 | (0.25) | 1 | (0.25) | 43 | (10.84) | 8 | (2.02) | 136 | (34.30) |
2003 | 88 | (1.48) | 4 | (4.55) | 2 | (2.27) | 13 | (14.77) | 15 | (17.05) | 0 | (0.00) | 0 | (0.00) | 12 | (13.64) | 7 | (7.95) | 9 | (10.23) | 0 | (0.00) | 0 | (0.00) | 9 | (10.23) | 4 | (4.55) | 13 | (14.77) |
2004 | 247 | (4.16) | 4 | (1.62) | 1 | (0.41) | 7 | (2.68) | 16 | (6.49) | 3 | (1.22) | 0 | (0.00) | 58 | (23.52) | 8 | (3.24) | 65 | (26.36) | 1 | (0.41) | 0 | (0.00) | 17 | (6.89) | 2 | (0.81) | 65 | (26.36) |
2005 | 148 | (2.49) | 3 | (2.03) | 0 | (0.00) | 9 | (5.96) | 11 | (7.44) | 0 | (0.00) | 0 | (0.00) | 25 | (16.91) | 3 | (2.03) | 30 | (20.30) | 0 | (0.00) | 3 | (2.03) | 7 | (4.74) | 1 | (0.68) | 56 | (37.89) |
2006 | 112 | (1.89) | 7 | (6.25) | 1 | (0.89) | 11 | (9.83) | 6 | (5.36) | 0 | (0.00) | 0 | (0.00) | 5 | (4.46) | 7 | (6.25) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 4 | (3.57) | 2 | (1.79) | 69 | (61.60) |
2007 | 74 | (1.25) | 5 | (6.77) | 0 | (0.00) | 10 | (13.40) | 1 | (1.35) | 0 | (0.00) | 0 | (0.00) | 1 | (1.35) | 2 | (2.71) | 1 | (1.35) | 0 | (0.00) | 0 | (0.00) | 1 | (1.35) | 1 | (1.35) | 52 | (70.36) |
2008 | 17 | (0.29) | 1 | (5.81) | 0 | (0.00) | 2 | (12.80) | 1 | (5.81) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 1 | (5.81) | 2 | (11.63) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 10 | (58.14) |
2009 | 31 | (0.52) | 0 | (0.00) | 0 | (0.00) | 1 | (3.54) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 30 | (96.46) |
2010 | 24 | (0.40) | 0 | (0.00) | 1 | (4.11) | 3 | (13.59) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 0 | (0.00) | 20 | (82.30) |
Total | 5,934 | (100) | 171 | (2.88) | 14 | (0.24) | 3,160 | (53.25) | 138 | (2.33) | 30 | (0.51) | 3 | (0.05) | 173 | (2.92) | 47 | (0.79) | 188 | (3.17) | 30 | (0.51) | 53 | (0.89) | 178 | (3.00) | 110 | (1.85) | 1,639 | (27.62) |