CNN2: subjectpartBANNER=|=”banner-text screaming-banner-text banner-text-size–char-44″ data-analytics=”_list-hierarchical-xs_article_”>Worrying Covid variants are spreading. Here’s what can be done| ((lubuntu at wor2 670N)))

|| Worrying Covid variants are spreading. Here’s what can be done ||=”banner-text screaming-banner-text banner-text-size–char-44″ data-analytics=”_list-hierarchical-xs_article_”>Worrying Covid variants are spreading. Here’s what can be done