変異株とワクチンどちらが勝つかまるで童話「カメとウサギ」のような，ワクチンと変異株の競争の厳しい見通し（原文；Variants v. Vaccines; The Race between the Tortoise and the Hare written by Tomas Pueyo…Feb 13, 2021Feb 13, 2021
