Pediatric rheumatology

Effectiveness of the BNT162b2 mRNA COVID-19 vaccine among adolescents with juvenile-onset inflammatory rheumatic diseases

Rheumatology (Oxford)Published Retrospective cohort study

Authors' conclusion

We found that the BNT162b2 mRNA vaccine was similarly effective against COVID-19 infection in adolescents with and without IRD.

Study context

Population
Adolescents aged 12–18 years, Clalit Health Services, Israel, February to December 2021
Participants
1,639 vs 524,471
Exposure
Adolescents with juvenile-onset IRD vs adolescents without immune rheumatic disease
  • IRDn = 1,639
  • Controlsn = 524,471reference
Outcome
Documented COVID-19 infection in relation to vaccination status and immunomodulatory therapy; vaccine effectiveness as one minus the risk ratio
Methodological detailsobservational
  • Observational

Main finding

As reported in the abstract

COVID-19 infection rate after the second vaccine dose

P = 0.99

Observational data: associations, not effects.

Further findings

Estimated vaccine effectiveness in adolescents with IRD
76.3% · after first dose · after second dose 94.8% · after third dose 99.2%

Original publication

Effectiveness of the BNT162b2 mRNA COVID-19 vaccine among adolescents with juvenile-onset inflammatory rheumatic diseases. Rheumatology (Oxford). Published 3 August 2022. doi:10.1093/rheumatology/keac408

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