The vaccination campaign against the novel coronavirus COVID-19 is rolling along--but very, very slowly.
While the FDA has approved two vaccines for distribution, experts say it will be many months before all Americans who want a vaccine can receive one.
An NBC News analysis says that at the current pace, it'll take nearly a decade to vaccinate enough Americans to bring the pandemic under control.
And according to Business Insider, Brown University's Dr. Ashish K.
Jha knows why.