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Table 1 Number and proportion (%) of investigated reported cases by age-group and vaccination status. Borno, December 2018 – March, 2019

From: Measles outbreak in complex emergency: estimating vaccine effectiveness and evaluation of the vaccination campaign in Borno State, Nigeria, 2019

Age group

Cases reported

Confirmed cases*

All

Unvaccinated

Unknown vaccination

Vaccinated

No.

%

No.

%

No.

%

No.

%

No.

%

<  9 months

169

8.4%

61

8.3%

61

9.3%

0

0.0%

0

0.0%

9–11 months

145

7.2%

49

6.6%

38

5.8%

3

15.0%

8

12.5%

12–23 months

429

21.4%

148

20.1%

134

20.5%

3

15.0%

11

17.2%

24–35 months

355

17.7%

127

17.2%

106

16.2%

2

10.0%

19

29.7%

36–47 months

251

12.5%

98

13.3%

87

13.3%

5

25.0%

6

9.4%

48–59 months

168

8.4%

65

8.8%

51

7.8%

3

15.0%

11

17.2%

60–71 months

124

6.2%

54

7.3%

50

7.7%

0

0.0%

4

6.3%

>  71 months

361

18.0%

135

18.3%

126

19.3%

4

20.0%

5

7.8%

Total

2002

100%

737

100%

653

100%

20

100%

64

100%

  1. Source: Outbreak investigation report and Measles Line-list
  2. *Confirmed cases = Lab-confirmed + EpiLink + Clinical compatible