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[ad_1] In March 2020, Yamagata’s trail went cold. The pathogen, one of the four main groups of flu viruses targeted by seasonal vaccines, had spent the...
[ad_1] The world has just seen the largest vaccination campaign in history. At least 13 billion COVID shots have been administered—more injections, by a sweeping margin,...
[ad_1] This fall, unlike the one before it, and the one before that, America looks almost like its old self. Schools and universities are in session;...