http://www.newsweek.com/ba2-stealth-omicron-covid-dominant-sweeps-world-who-kerkhove-cdc-1691753

The World Health Organization (WHO) has confirmed that the Omicron variant of COVID that is sweeping the globe is dominated by the BA.2 subvariant, the so-called "stealth Omicron."

In a press conference held on Wednesday, technical lead for WHO's COVID-19 response, Maria Van Kerkhove addressed the question of the BA.2 subvariant's dominance, revealing that it now accounts for the vast majority of cases sequenced by experts.