Delivering a safe and effective vaccine against COVID-19 by this winter would count as one the most ambitious scientific feats in history. With a handful of vaccines now in the midst of large-scale clinical trials, a growing number of experts…
We’re answering 40 more coronavirus and COViD19 questions from viewers! You can go to the timecode below to see an answer to a specific question. Stay safe! Wash your hands! 1:47 – Please explain the rationale behind the claim that masks are…