Omicron, Delta, Alpha, and More: What To Know About the

Alpha Coronavirus Variant Evolved to Evade Immune System

What do we know about COVID virus variants? - UChicago Medicine

Alpha then delta and now omicron – 6 questions answered as COVID-19 cases once again surge across the globe

Frontiers Tracking SARS-CoV-2 Variants Using a Rapid Typification Strategy: A Key Tool for Early Detection and Spread Investigation of Omicron in Argentina

Implications of the Mutations in the Spike Protein of the Omicron Variant of Concern (VoC) of SARS-CoV-2 – Signature Science

Increased risk of SARS-CoV-2 reinfection associated with emergence of Omicron in South Africa

WHO says omicron Covid variant has spread to 38 countries

The Algorithm that Mapped Omicron Shows a Path Forward - IEEE Spectrum

Delta spike P681R mutation enhances SARS-CoV-2 fitness over Alpha variant - ScienceDirect