# Correction: Risk factors for critical COVID-19 illness during Delta- and Omicron-predominant period in Korea; using K-COV-N cohort in the National health insurance service

**Authors:** Kyung-Shin Lee, Min Jin Go, Youn Young Choi, Min-Kyung Kim, Jaehyun Seong, Ho Kyung Sung, Jaehyun Jeon, Hee-Chang Jang, Myoung-Hee Kim

PMC · DOI: 10.1371/journal.pone.0307925 · 2024-07-24

## Full-text entities

- **Diseases:** COVID-19 illness (MESH:D000086382)

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Source: https://tomesphere.com/paper/PMC11268630