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Figure 3 | BMC Research Notes

Figure 3

From: Serum strain-specific or cross-reactive neuraminidase inhibiting antibodies against pandemic А/California/07/2009(H1N1) influenza in healthy volunteers

Figure 3

Serum antibodies against A/H1N1 influenza viruses during 2005 and 2010 flu seasons. Percentage of seropositive 18–20-year-old persons with titers > 1:20 of hemagglutination-inhibition and neuraminidase-inhibition antibodies against seasonal and pandemic A/H1N1 influenza viruses; * indicates p < 0.001, McNemar test.

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