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Table 3 Distribution of 2009 H1N1 hemagglutination inhibition assay results

From: Evaluation of the seroprevalence of influenza A(H1N1) 2009 on a university campus: a cross-sectional study

H1N1 Lab Results

  

< 10

80

26.7%

10

25

8.3%

20

14

4.7%

40

20

6.7%

80

44

14.7%

160

42

14.0%

320

25

8.3%

≤ 640

27

9.0%

No Results

21

7.0%

No Sample

2

0.7%