The United States has the world's highest death toll from COVID-19, which has caused immense pain and suffering. And still, more than a year later, new more contagious variants like B.1.1.7 continue to wreak havoc in some states. But the ramping up of the national vaccine rollout in recent months has begun to smother pockets of the country with immunity, with more than 3.1 million people on average receiving the jab each day over the past week. As the speedy vaccine drive continues, the national death rate is also plummeting. While cases remain high in many places, epidemiologists now say vaccines are efficient and safe enough to make the positive trends last. Here's a look at daily COVID deaths and vaccines administered in the US over the past year.