Ukraine now had one of the lowest vaccination rates in the world and the Kremlin was capitalizing on the chaos. Ukraine’s outbreak was already spreading back to the States, where Russian trolls were now pushing anti-vaxxer memes on Americans. American officials seemed at a loss for how to contain it. (And they were no better prepared when, one year later, Russians seized on the pandemic to push conspiracy theories that Covid-19 was an American-made bioweapon, or a sinister plot by Bill Gates to profit off vaccines.)
