A particularly contagious omicron subvariant is on track to become the dominant coronavirus strain in North Carolina. In the Southeast, BA.5 comprises more than half of total COVID-19 cases, according ...

The Omicron COVID sub-variant BA.2 may be more dangerous than BA.1 and could pose a greater risk to public health, according to new research. BA.2 has made headlines in recent weeks and is the subject ...

The Omicron sub-variant of COVID-19 known as BA.2 appears to be spreading across the United States. But how dangerous is it? In fact, if current trends continue, BA.2—informally dubbed "stealth ...

You may have heard there is a new variant in town. Labeled everything from "son of Omicron" to "stealth Omicron," its real scientific label at the moment is simply BA.2. So what is BA.2 and should you ...

With California suffering through another intense coronavirus wave, the stunning proliferation of the BA.5 subvariant is becoming a growing focus of scientific scrutiny, with experts saying it may ...