Delta variant becomes dominate COVID strain in U.S. 0 08.07.2021 08:21 CBSNews.com The Delta variant is taking hold as the new dominant strain of COVID-19. It's hitting the unvaccinated hard in America's heartland. Nancy Chen shares more. Партнёры Smi24.net Все новости за 24 часа Музыкальные новости Агрегатор новостей 24СМИ
