11 potential ‘stealth’ Omicron symptoms experts say may impact breakthrough cases

The sub-variant has [BA.2] quickly earned a moniker — the “stealth” Omicron variant — as officials begin to learn more about its unique characteristics, explains Karen Edwards, professor and chair of epidemiology and biostatistics at the University of California, Irvine School of Medicine. Edwards clarifies that it’s nickname isn’t tied to how quickly it spreads, as there isn’t enough data to confirm if BA.2 spreads faster than the original BA.1 just yet.