The Washington PostBiden says he can't give specific date for the end of pandemic crisisFeb 19, 2021more_vert
Financial TimesBioNTech/Pfizer vaccine is less potent against South African variantFeb 17, 2021Hannah KuchlerBy Hannah Kuchlermore_vert
STATIn lab experiment, Pfizer-BioNTech vaccine less potent against coronavirus variantFeb 17, 2021Andrew JosephBy Andrew Josephmore_vert
NBC NewsPfizer says South African variant could significantly reduce vaccine protectionFeb 17, 2021more_vert