The Washington PostBiden says he can't give specific date for the end of pandemic crisisFeb 19, 2021bookmark_bordersharemore_vert
NBC NewsPfizer says South African variant could significantly reduce vaccine protectionFeb 17, 2021bookmark_bordersharemore_vert
STATIn lab experiment, Pfizer-BioNTech vaccine less potent against coronavirus variantFeb 17, 2021Andrew JosephBy Andrew Josephbookmark_bordersharemore_vert
CBS NewsSouth Africa variant's deadly spread highlights risks of unequal COVID "Vaccine Apartheid"Feb 18, 2021bookmark_bordersharemore_vert