What To Make Of Pfizer's Big Vaccine Announcement
PODCAST-19: FiveThirtyEight on the Novel Coronavirus - Podcast autorstwa FiveThirtyEight, Anna Rothschild
 
   This week, Pfizer announced that its coronavirus vaccine may be more than 90 percent effective. Anna and FiveThirtyEight's senior science writer, Maggie Koerth, discuss what we know (and don't know) about about the vaccine.
