Edition: United States Donate Get newsletter Become an author up as reader Sign in THE CONVERSATION Search analysis, research, academics . Academic rigor journalistic flair COVID-19 Arts Culture Economy Business Education Environment Energy Ethics Religion Health Politics Society Science Technology What is the new COVID-19 variant BA.2, and will it cause another wave of infections in the US? Published: March 22, 2022 12.12pm EDT BA.2, one of three main omicron sublineages, is svreeping the world_ BlackJack3DlStock via Getty Images Plus Sign "