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Table 5 Incidence of adverse events (AEs) during the first 7 days after vaccination

From: The priming effect of previous natural pandemic H1N1 infection on the immunogenicity to subsequent 2010-2011 influenza vaccination in children: a prospective cohort study

  Split vaccine (n = 181) Subunit vaccine (n = 190) p-value
Solicited AE (Event/subject) 65/42 58/34 0.26/0.21
Systemic AE (Event/subject) 12/10 33/24 0.066/0.018
 Fever/chill   3 9 0.094
 Headache   1 7 0.038
 Myalgia   6 13 0.12
 Malaise   2 4 0.45
Local AE (Event/subject) 53/36 25/16 0.006/0.001
 Pain   31 14 0.004
 Erythema   5 2 0.23
 Swelling   9 9 0.92
Unsolicited AE   11 9 0.57