What we know about BA.2 — now the dominant cause of COVID-19 in the US 0 30.03.2022 16:15 «TDN» (tdn.com) The highly contagious omicron subvariant BA.2 is now the dominant coronavirus strain in the U.S. Here's what you should know. Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа