SARS-CoV-2 Variants
Click here to read the New York Times guide on the different SARS-CoV-2 mutations and variants.
How COVID-19 variants evade immune response
This article provides an overview of the ways in which the SARS-CoV-2 variants evade the immune response even after producing antibodies and fighting off an earlier strain of the virus.
What's Going On With All These Coronavirus Variants? An Illustrated Guide
Click here to read an illustrated guide to the SARS-CoV-2 variants and learn about the spike proteins.
Nextstrain SARS-CoV-2 Resources
This page lists publicly available SARS-CoV-2 analyses that use Nextstrain from groups all over the world. In addition to exploring SARS-CoV-2 evolution in finished analyses, you can use the Nextclade tool to compare your sequences to the SARS-CoV-2 reference sequence, assign them to clades, and see where they fall on the SARS-CoV-2 tree.
CDC: About Variants of the Virus that Causes COVID-19
This CDC page gives an overview of the SARS-CoV-2 variants in the US.
CDC: Variant Proportions
This CDC page shows the proportion of COVID-19 cases for each variant. You can look up which variant is prevalent in your region during a specific time period.
CDC: SARS-CoV-2 Variant Classifications and Definitions
This CDC page breaks down the different classifications of the variants, variants of concern, variants of interest, and variants of high concern.