Currently, the BA.5 subvariant of the COVID-19 virus accounts for the majority of new cases in the United States.
What makes it different from previous versions, and how can we fight the spread?
What Is a Variant?
COVID-19 is a virus, so it mutates and changes quickly. When significant mutations happen, a new variant is created that has different characteristics than the original disease.
You can think of subvariants as children of a “parent” variant.