Clinical outcomes of third mRNA COVID-19 vaccine doses in patients on hemodialysis across the country

Limited evidence exists on the effectiveness of a third-dose mRNA COVID-19 vaccine in Korean hemodialysis patients during the Omicron-dominant period.

• The clinical effectiveness of a third mRNA vaccine dose against SARS-CoV-2 infection in hemodialysis patients is uncertain.
• Data on hospitalization and mortality rates related to COVID-19 in this population is also limited.
• Findings may contribute to understanding vaccine responses in vulnerable groups.

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