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Figure 1 | BMC Infectious Diseases

Figure 1

From: Difference in immune response in vaccinated and unvaccinated Swedish individuals after the 2009 influenza pandemic

Figure 1

Overview of the ILI study participants. 1,971 study participants entered the study in the winter of 2009 (time point A); 67 samples were collected from study participants and household members during home visits triggered by an H1N1+ or coronavirus + PCR (detected in nasal swabs sent at time point B); 918 study participants returned for the follow-up sampling in the spring of 2010 (time point C).

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BMC Infectious Diseases

ISSN: 1471-2334

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