# Two-step fitness selection for intra-host variations in SARS-CoV-2

> Research article (Cell Reports, 2021) · cited 101× · AI/ML

**Wikidata**: [openalex:W4200194559](https://www.wikidata.org/wiki/openalex:W4200194559)  
**Source**: https://4ort.xyz/entity/two-step-fitness-selection-for-intra-host-variations-in-sars-cov-2