World Virus Variants Threaten to Draw Out the Pandemic, Scientists Say April 3, 2021April 5, 2021Apoorva Mandavilli and Benjamin MuellerComments Off on Virus Variants Threaten to Draw Out the Pandemic, Scientists Say Declining infection rates overall masked a rise in more contagious forms of the coronavirus. Vaccines will stop the spread, if Americans postpone celebration just a bit longer.
