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. 2021 Apr 12;17(7):1980–1985. doi: 10.1080/21645515.2020.1865739

Table 3.

AE summary (‘all participants as treated’ population)

  9vHPV vaccine (N = 200)
Participants with ≥1 AE, n (%)a 101 (50.5)
Injection-site AEs, n (%)b 90 (45.0)
Injection-site pain 89 (44.5)
Mild 86 (43.0)
Moderate 3 (1.5)
Injection-site swelling 11 (5.5)
Mild (0 to 2.5 cm) 9 (4.5)
Moderate (2.5 to 5.0 cm) 1 (0.5)
Severe (>5.0 cm) 1 (0.5)
Injection-site erythema 4 (2.0)
Mild (0 to 2.5 cm) 4 (2.0)
Systemic AEs, n (%)c 34 (17.0)
Headache 7 (3.5)
Dizziness 5 (2.5)
Nasopharyngitis 5 (2.5)
Vaccine-relatedd systemic AEs, n (%)c 2 (1.0)
SAEs, n (%)a 1 (0.5)
Vaccine-relatedd SAEs, n (%) 0 (0.0)
Deaths, n (%) 0 (0.0)
Participants who discontinuede due to an AE,a n (%) 0 (0.0)
Maximum temperature (oral) <37.8°Cb 200 (100)

N = number of participants who had ≥1 dose of the 9vHPV vaccine and had ≥1 follow-up visit for an AE.

aAt any time during the study.

bDays 1 to 5 following any vaccination.

cDays 1 to 15 following any vaccination.

dAs determined by the reporting investigator.

eStudy vaccination withdrawn.

Injection-site and systemic AEs shown are those with a frequency ≥2%. Participants were counted once for each applicable AE.

9vHPV, nine-valent human papillomavirus; AE, adverse event; SAE, serious adverse event.