Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Pfizer submits Covid vaccine to FDA for approval, to distribute in December. Parent comment
Vaccine trials tend to be larger because you have to account for the fact that only a small number of people will get infected.
There are no comments on this comment yet.
Vaccine trials tend to be larger because you have to account for the fact that only a small number of people will get infected.