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COVID-19 Vaccine Safety First Year Findings in Adolescents.
Hesse, Elisabeth M; Hause, Anne; Myers, Tanya; Su, John R; Marquez, Paige; Zhang, Bicheng; Cortese, Margaret M; Thames-Allen, Andrea; Curtis, Christine R; Maloney, Susan A; Thompson, Deborah; Nair, Narayan; Alimchandani, Meghna; Niu, Manette; Gee, Julianne; Shay, David K; Shimabukuro, Tom T.
  • Hesse EM; CDC COVID-19 Response, Atlanta, Georgia.
  • Hause A; CDC COVID-19 Response, Atlanta, Georgia.
  • Myers T; CDC COVID-19 Response, Atlanta, Georgia.
  • Su JR; CDC COVID-19 Response, Atlanta, Georgia.
  • Marquez P; CDC COVID-19 Response, Atlanta, Georgia.
  • Zhang B; CDC COVID-19 Response, Atlanta, Georgia.
  • Cortese MM; CDC COVID-19 Response, Atlanta, Georgia.
  • Thames-Allen A; CDC COVID-19 Response, Atlanta, Georgia.
  • Curtis CR; CDC COVID-19 Response, Atlanta, Georgia.
  • Maloney SA; CDC COVID-19 Response, Atlanta, Georgia.
  • Thompson D; Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland.
  • Nair N; Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland.
  • Alimchandani M; Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland.
  • Niu M; Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland.
  • Gee J; CDC COVID-19 Response, Atlanta, Georgia.
  • Shay DK; CDC COVID-19 Response, Atlanta, Georgia.
  • Shimabukuro TT; CDC COVID-19 Response, Atlanta, Georgia.
Pediatrics ; 151(5)2023 05 01.
Article in English | MEDLINE | ID: covidwho-2296434
ABSTRACT
BACKGROUND AND

OBJECTIVES:

The Food and Drug Administration expanded Emergency Use Authorization for use of Pfizer-BioNTech (BNT-162b2) coronavirus disease 2019 vaccine to include people ages 12 years and older on May 10, 2021. We describe adverse events observed during the first full year of the US coronavirus disease 2019 vaccination program for adolescents ages 12 to 17 years.

METHODS:

We conducted descriptive analyses using data from 2 complementary US vaccine safety monitoring systems v-safe, a voluntary smartphone-based system that monitors reactions and health impacts, and the Vaccine Adverse Event Reporting System (VAERS), the national spontaneous reporting system. We reviewed reports and calculated adverse event reporting rates using vaccine administration data.

RESULTS:

Among 172 032 adolescents ages 12 to 17 years enrolled in v-safe, most reported reactions following BNT-162b2 were mild to moderate, most frequently reported on the day after vaccination, and more common after dose 2. VAERS received 20 240 adverse event reports; 91.5% were nonserious. Among adverse events of interest, we verified 40 cases of multisystem inflammation syndrome in children (1.2 cases per million vaccinations), 34 (85%) of which had evidence of prior severe acute respiratory syndrome coronavirus 2 infection; and 570 cases of myocarditis (17.7 cases per million vaccinations), most of whom (77%) reported symptom resolution at the time of report.

CONCLUSIONS:

During the first year BNT-162b2 was administered to adolescents ages 12 to 17 years, most reported adverse events were mild and appeared self-limited. Rates of myocarditis were lower than earlier reports. No new serious safety concerns were identified.
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / COVID-19 / Myocarditis Type of study: Observational study Topics: Vaccines / Variants Limits: Adolescent / Child / Humans Country/Region as subject: North America Language: English Year: 2023 Document Type: Article Affiliation country: Peds.2022-060295

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Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / COVID-19 / Myocarditis Type of study: Observational study Topics: Vaccines / Variants Limits: Adolescent / Child / Humans Country/Region as subject: North America Language: English Year: 2023 Document Type: Article Affiliation country: Peds.2022-060295