PMID- 31883809 OWN - NLM STAT- MEDLINE DCOM- 20210308 LR - 20210308 IS - 1873-2518 (Electronic) IS - 0264-410X (Linking) VI - 38 IP - 6 DP - 2020 Feb 5 TI - Safety review of tetanus toxoid, reduced diphtheria toxoid, acellular pertussis vaccines (Tdap) in adults aged >/=65 years, Vaccine Adverse Event reporting System (VAERS), United States, September 2010-December 2018. PG - 1476-1480 LID - S0264-410X(19)31628-7 [pii] LID - 10.1016/j.vaccine.2019.11.074 [doi] AB - INTRODUCTION: The Advisory Committee on Immunization Practices (ACIP) recommends vaccination with tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis vaccine (Tdap) in persons >/=65 years of age. To date, few studies have assessed the safety of Tdap in this population. We aimed to summarize reports submitted to the Vaccine Adverse Event Reporting System (VAERS) following receipt of Tdap in this age group. METHODS: We searched for and analyzed U.S. VAERS reports of Tdap among individuals >/=65 years of age submitted from September 1, 2010 through December 31, 2018. We classified reports according to concurrent vaccination, seriousness, and outcome (death, non-death) and determined the frequency of reported adverse events (AEs). For serious reports, we reviewed available medical records. Data mining analyses were undertaken to detect disproportionality in reporting. RESULTS: VAERS received a total of 1,798 reports following Tdap, of which 104 (6%) were serious. The most common AEs were injection site erythema (26%; n = 468), injection site pain (19%; n = 335), injection site swelling (18%; n = 329), and erythema (18%; n = 321). We identified seven deaths; none were attributed to Tdap. Among serious non-death reports, nervous system disorders (35.1%; n = 34) and infections and infestations (n = 18.6%; n = 18) were most commonly reported. Data mining did not identify any vaccine-AE combination reported more frequently than expected. CONCLUSIONS: We did not identify any new safety concern over nearly a decade of recommended Tdap use among adults >/=65 years of age. Findings from this post-marketing review are consistent with prior post-marketing observations and pre-licensure studies. CI - Published by Elsevier Ltd. FAU - Haber, Penina AU - Haber P AD - Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, United States. Electronic address: phaber@cdc.gov. FAU - Moro, Pedro L AU - Moro PL AD - Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, United States. FAU - Ng, Carmen AU - Ng C AD - Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, United States. FAU - Dores, Graca M AU - Dores GM AD - Division of Epidemiology, Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, United States. FAU - Perez-Vilar, Silvia AU - Perez-Vilar S AD - Division of Epidemiology, Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, United States. FAU - Marquez, Paige L AU - Marquez PL AD - Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, United States. FAU - Cano, Maria AU - Cano M AD - Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, United States. LA - eng PT - Journal Article DEP - 20191226 PL - Netherlands TA - Vaccine JT - Vaccine JID - 8406899 RN - 0 (Diphtheria Toxoid) RN - 0 (Diphtheria-Tetanus-acellular Pertussis Vaccines) RN - 0 (Tetanus Toxoid) SB - IM MH - Adverse Drug Reaction Reporting Systems MH - Aged MH - Diphtheria Toxoid/*adverse effects MH - Diphtheria-Tetanus-acellular Pertussis Vaccines/*adverse effects MH - Humans MH - Injection Site Reaction/*epidemiology MH - Tetanus Toxoid/*adverse effects MH - United States/epidemiology MH - Vaccination/*adverse effects OTO - NOTNLM OT - Post-licensure surveillance OT - Tetanus toxoid, reduced diphtheria toxoid, acellular pertussis vaccines (Tdap) OT - Vaccine Adverse Event Reporting System OT - Vaccine safety COIS- Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2019/12/31 06:00 MHDA- 2021/03/09 06:00 CRDT- 2019/12/30 06:00 PHST- 2019/08/13 00:00 [received] PHST- 2019/11/26 00:00 [revised] PHST- 2019/11/27 00:00 [accepted] PHST- 2019/12/31 06:00 [pubmed] PHST- 2021/03/09 06:00 [medline] PHST- 2019/12/30 06:00 [entrez] AID - S0264-410X(19)31628-7 [pii] AID - 10.1016/j.vaccine.2019.11.074 [doi] PST - ppublish SO - Vaccine. 2020 Feb 5;38(6):1476-1480. doi: 10.1016/j.vaccine.2019.11.074. Epub 2019 Dec 26.