Bivalent COVID-19 vaccines protect kids and teens from infections

Embargoed until: Publicly released:

Bivalent COVID-19 vaccines, which contain both the original strain of the virus and the Omicron variant, protected kids and teens from infections and COVID-19 symptoms better than the first, single-strain vaccines during a period when Omicron BA.4/5 variants were circulating, according to a US study. The study of almost 3000 kids found that the bivalent vaccines have an effectiveness of 54% against infection and 49% against symptomatic COVID-19. The authors say their data demonstrates the benefits of COVID-19 vaccines in children and adolescents. 

Journal/conference: JAMA

Link to research (DOI): 10.1001/jama.2023.27022

Organisation/s: US Centers for Disease Control and Prevention

Funder: This study was supported by the
National Center for Immunization and Respiratory
Diseases, US Centers for Disease Control and
Prevention under contracts 75D30121C12297
(Kaiser Foundation Hospitals), 75D30122C13149
(University of Michigan), 75D30120C08150 (Abt
Associates Inc), and 75D30122C14188 (University of
Arizona) and by the National Institute of Allergy and
Infectious Diseases (contract 75N93021C00015).

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