Why It’s a Big Deal If the First Covid Vaccine Is ‘Genetic’

On Monday morning, when representatives from the drug company Pfizer said that its Covid-19 vaccine appears to be more than 90 percent effective, stocks soared, White House officials rushed to (falsely) claim credit, and sighs of relief went up all around the internet. “Dear World. We have a vaccine! Best news since January 10,” tweeted […]