New COVID-19 strains, XEC and MV-1, quickly spreading across countries | USA TODAY Videos ShareTweet Two new strains of COVID-19, XEC and MV-1 are set to become dominant, spreading rapidly across the world. #COVID19 #virus #spread ShareTweet Leave a commentRelated Posts Corona Virus LIVE Map News Update April 1 | Covid 19 BOQ, MIAA intensify measures vs. Covid-19 ‘FLiRT’ in NAIA Corona Virus से USA में कितनी तेजी हो रही लोगों की मौत? (BBC Hindi) Chicago area researchers studying long COVID make major discovery