Cases of BA.2.75 Detected in Illinois. What Experts Are Saying About New COVID Variant

Since the pandemic’s onset more than two years ago, sudden increases in COVID-19 cases have been driven by the emergence of new variants, including delta and omicron. Currently, a more contagious omicron subvariant, called BA.5, accounts for most new U.S. cases, however a separate, newer subvariant is garnering attention.