BA.2 As BA.2 expands in the US, specialists focus on different nations to anticipate its effect here 3 years ago After weeks in free fall, new Covid-19 cases are beginning to even out off in the US, as the BA.2… New omicron subvariant has new COVID indications 3 years ago What to be aware of the BA.2 subvariant and new COVID-19 side effects The Covid freak commonly known as "stealth omicron"…