Omicron Subvariant BA.2 Now Dominant Strain Globally

Scientists say relaxed COVID measures in China and Europe could be behind the recent rise.

Globally, the Omicron subvariant BA.2 now represents nearly 86% of all sequenced COVID cases, according to the World Health Organization.

China and Europe are currently dealing with a surge. Scientists say relaxed COVID measures in those areas could be behind the recent rise.  

The subvariant is also now the dominant strain in the U.S.