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Table 1 Number and incidence of laboratory-confirmed invasive meningococcal cases in Hefei reported to The Hefei CDC, by serogroup, 2000–2010

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

  1. NOTE. Data are no. (%) of cases, unless otherwise indicated.
  2. NA, not applicable. a,no isolates identified.