A Covid subvariant that was spreading across the US has now been confirmed in the UK. BA.4.6 is a subvariant of the Omicron variant and its presence in the UK was confirmed in new briefing documents circulated by the UK Health Security Agency (UKHSA).
It accounted for 3.3% of samples in the UK in the week beginning Sunday, August 14, but has gone on to make up 9% of cases now, Plymouth Live reports. Similarly, according to the Centers for Disease Control and Prevention, BA.4.6 now accounts for more than 9% of recent cases across the US. The variant has also been identified in several other countries around the world.
