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Abstract We estimate the effectiveness of a fourth dose booster of coronavirus disease 2019 mRNA vaccine in individuals aged ≥60 years during Omicron BA.2 and BA.5 circulation in Korea. The… Click to show full abstract
Abstract We estimate the effectiveness of a fourth dose booster of coronavirus disease 2019 mRNA vaccine in individuals aged ≥60 years during Omicron BA.2 and BA.5 circulation in Korea. The effectiveness against critical infection was 67.7% (95% confidence interval, 50.7%–78.8%) at 31–60 days and 62.1% (95% confidence interval, 45.5%–73.7%) at 61–90 days.
Keywords:
effectiveness fourth;
fourth dose;
mrna vaccine;
omicron circulation
Journal Title: Open Forum Infectious Diseases
Year Published: 2023
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Journal Title: Open Forum Infectious Diseases
Year Published: 2023
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!