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Interim Estimate of Vaccine Effectiveness of BNT162b2 (Pfizer-BioNTech) Vaccine in Preventing SARS-CoV-2 Infection Among Adolescents Aged 12–17 Years — Arizona, July–December 2021

  • Karen Lutrick
  • , Patrick Rivers
  • , Young M. Yoo
  • , Lauren Grant
  • , James Hollister
  • , Krystal Jovel
  • , Sana Khan
  • , Ashley Lowe
  • , Zoe Baccam
  • , Hanna Hanson
  • , Lauren E.W. Olsho
  • , Ashley Fowlkes
  • , Alberto J. Caban-Martinez
  • , Cynthia Porter
  • , Sarang Yoon
  • , Jennifer Meece
  • , Manjusha Gaglani
  • , Joy Burns
  • , Julie Mayo Lamberte
  • , Flavia Nakayima Miiro
  • Adam Bissonnette, Lindsay LeClair, Preeta K. Kutty, James K. Romine, Elisha Stefanski, Laura J. Edwards, Katherine Ellingson, Joe K Gerald, Edward J. Bedrick, Purnima Madhivanan, Karl Krupp, Lynn B Gerald, Mark Thompson, Jefferey L. Burgess

Research output: Contribution to journalArticlepeer-review

Abstract

What is already known about this topic? The Pfizer-BioNTech COVID-19 vaccine has been shown to be effective in preventing SARS-CoV-2 infection in adolescents in randomized placebo-controlled Phase III trials. What is added by this report? A prospective cohort of 243 adolescents aged 12–17 years in Arizona completed weekly SARS-CoV-2 testing by nasal swab for 19 consecutive weeks. Under real-world conditions, vaccine effectiveness of full immunization (completion of the second in a 2-dose series ≥14 days earlier) was 92% against SARS-CoV-2 infections irrespective of symptom status. What are the implications for public health practice? In real-world conditions among adolescents aged 12–17 years, the Pfizer-BioNTech vaccine was highly effective in preventing SARS-CoV-2 infection.

Original languageEnglish (US)
Pages (from-to)1761-1765
Number of pages5
JournalMorbidity and Mortality Weekly Report
Volume70
Issue number5152
DOIs
StatePublished - 2021

ASJC Scopus subject areas

  • Epidemiology
  • Health(social science)
  • Health Information Management
  • Health, Toxicology and Mutagenesis

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