Headache, Fatigue, and Other Not-So-Scary Side Effects of Pfizer's Covid-19 Vaccine
Today we got the first substantial look at data on one of the covid-19 vaccines likely to reach the U.S. general public later this month. The Food and Drug Administration and the companies Pfizer and BioNTech released summary documentation of the trial data collected so far on Pfizer and BioNTech’s vaccine candidate.…