New version of omicron reported dubbed "stealth omicron"

New version of omicron reported dubbed "stealth omicron":The UK Health Agency reported cases of BA.2 have been detected in 40 countries and was first reported in the Philippines. It is the dominant form of the virus in Denmark.

Scientists say there is still much to learn about the new version. As of right now, there is “insufficient” evidence that it causes more severe illness or is more contagious than the original omicron variant.