Research

Vaccine effectiveness

Journal article · International Journal of Infectious Diseases · 2024

Clinical question

One-fifth-dose intradermal versus standard intramuscular ChAdOx1 boosters after two CoronaVac doses.

Methods

A retrospective cohort used Vachira Phuket Hospital records. Cox regression adjusted the comparison for demographic and clinical risk factors, with follow-up through December 2021.

Findings

Adjusted HR 0.88 (95% CI 0.76 to 1.02; P = 0.09). No statistically significant difference, including stratified analyses.

Read the source abstract: relative effectiveness of intradermal and intramuscular ChAdOx1 boosters in Phuket.

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