A new COVID-19 variant has cropped up in the United Kingdom — a combination of the original Omicron strain and its subvariant BA.2 that may be more contagious than BA.2. WebMD Health News
A new COVID-19 variant has cropped up in the United Kingdom — a combination of the original Omicron strain and its subvariant BA.2 that may be more contagious than BA.2. WebMD Health News