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. Author manuscript; available in PMC: 2023 Jan 21.
Published in final edited form as: Vaccine. 2021 Dec 7;40(2):247–254. doi: 10.1016/j.vaccine.2021.11.071

Table 2.

Most frequently reported MedDRA Preferred Terms (PTs) in U.S. MenB-4C reports received by the Vaccine Adverse Event Reporting System (VAERS) from January 23, 2015 through December 31, 2018.

n(%) Reporting rate (all)£
All Non-serious Serious non-fatal¥ MenB-4C only
Total reports 1,867 (100) 1,785 (100) 80 (100) 1,122 (100) -
MedDRA Preferred Termc
Injection site pain 414 (22) 406 (23) 8 (10) 286 (25) 74
Pyrexia 306 (16) 279 (16) 27 (34) 199 (18) 54
Headache 297 (16) 275 (15) 21 (26) 175 (16) 53
Injection site erythema 276 (15) 272 (15) * 177 (16) 49
Pain in extremity 272 (15) 261 (15) 10 (13) 158 (14) 48
Nausea 257 (14) 236 (13) 20 (25) 149 (13) 46
Injection site swelling 237 (13) 233 (13) * 152 (14) 42
Pain 227 (12) 218 (12) 8 (10) 151 (13) 40
Dizziness 223 (12) 209 (12) 14 (18) 106 (9) 40
Chills 161 (9) 146 (8) 15 (19) 97 (9) 29
Fatigue 159 (9) 149 (8) 9 (11) 104 (9) 28
Syncope 136 (7) 129 (7) * * 24
Erythema 134 (7) 132 (7) * 83 (7) 24
Vomiting 132 (7) 116 (6) 15 (19) 74 (7) 23
Injection site warmth 105 (6) 103 (6) * 69 (6) 19
Myalgia * * * 66 (6) 17
Asthenia * * 19 (24) * 16
Malaise * * * * 14
Hypoesthesia * * 12 (15) * 11
Paresthesia * * 12 (15) * 14
Dyspnea * * 11 (14) * 7
Gait disturbance * * 11 (14) * 4
Neck pain * * 8 (10) * 12
Vaccination complication * * 8 (10) * 9

Abbreviations: MedDRA, Medical Dictionary for Regulatory Activities; MenB-4C, Four-component meningococcal group B vaccine

*

Adverse events not among the ten most frequently reported.

£

Reports per million doses distributed.

¥

Excludes death reports (n = 2).

c

Based on information included in initial and follow-up reports.