From: Emergence of serogroup C meningococcal disease associated with a high mortality rate in Hefei, China
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 |