What Are Virus Variants?

Dive Deeper

woman in mask and blue gloves holding a vial of vaccine with a syringe in it
Vaccines that can protect against many coronaviruses could prevent another pandemic
Letters of the Greek alphabet
Why Can't We Just Call BA.2 Omicron?
SARS-CoV-2 artist's representation in lime green, fuschia, white, and yellow
COVID Variants May Arise in People with Compromised Immune Systems