Characteristics and trends of severe/critical COVID-19 cases in the Republic of Korea (January 2020 to August 2023).

Osong Public Health Res Perspect · 2025 · PMC11917381 · PMID 39916430

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a decreasing trendno p-value reported

Annually, the rates were 3.19% in 2020, 2.23% in 2021, 0.15% in 2022, and 0.12% in 2023, demonstrating a decreasing trend similar to that of the severity rate.

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