Table 1.
Number and incidence of laboratory-confirmed invasive meningococcal cases in Hefei reported to The Hefei CDC, by serogroup, 2000–2010
| Year of surverillance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Serogroup |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
Total |
| A |
20(87) |
15(68) |
24(83) |
22(38) |
18(14) |
21(13) |
13(10) |
19(15) |
17(22) |
18(41) |
21(49) |
208 |
| C |
2(9) |
1(5) |
3(10) |
33(57) |
103(80) |
129(83) |
112(84) |
106(81) |
55(71) |
23(52) |
17(40) |
584 |
| B |
1(4) |
3(14) |
2(7) |
1(2) |
a |
4(3) |
3(2) |
5(4) |
2(3) |
a |
3(7) |
24 |
| X |
a |
3(14) |
a |
2(3) |
4(3) |
2(1) |
3(2) |
a |
1(1) |
2(6) |
1(2) |
18 |
| Y |
a |
a |
a |
a |
3(2) |
3(2) |
1(1) |
1(0.8) |
2(3) |
1(2) |
a |
11 |
| Total |
23 |
22 |
29 |
58 |
128 |
156 |
134 |
131 |
77 |
44 |
43 |
845 |
| Incidence | 1.25 | 119 | 1.57 | 3.14 | 6.92 | 8.43 | 7.24 | 7.08 | 4.06 | 2.34 | 2.32 | NA |
NOTE. Data are no. (%) of cases, unless otherwise indicated.
NA, not applicable. a,no isolates identified.