Covid cases rise in north-eastern US, driven by the BA.2 subvariant Posted on April 14, 2022 by Travel editor The subvariant of omicron that’s more transmissible than BA.1 was responsible for an estimated 86% of new US cases last week Post navigation Baby strollers, Ferris wheels and BTS: More tourists are bringing their kids to Las VegasA4A CEO calls for an end to US Covid travel restrictions