# Survival bias and declining mortality risk in long‐term COVID‐19 studies

**Authors:** Wiessam Abu Ahmad, Ronen Arbel

PMC · DOI: 10.1111/irv.70247 · 2026-03-06

## Full-text entities

- **Diseases:** COVID-19 (MESH:D000086382), long-term COVID-19 (MESH:D000094024), infectious disease (MESH:D003141), dying (MESH:D064806), acute-phase injury (MESH:D000210), organ dysfunction (MESH:D009102)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Figures

1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC12966355/full.md

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Source: https://tomesphere.com/paper/PMC12966355