More than 1 million people have received the coronavirus vaccine since they started being administered 10 days ago, the Centers for Disease Control and Prevention reported on Wednesday.
Among the 1 million are a number of high-ranking politicians and scientists who joined frontline workers in getting their first doses in the past week.
The includes several members of the House and Senate, who became eligible to jump to the front of the line to ensure "continued governance" during the pandemic. Many have posted pictures of themselves receiving the vaccine to set an example for their constituents.
The 1-million figure includes shots of both Pfizer's vaccine, which began roll-out December 14, and Moderna's, which was available to the first phase of Americans a week later on December 21.
Both vaccines require two doses for it to be fully effective at preventing sickness from COVID-19 - clinical trials found that around two weeks after the second dose, each one is up to 95% effective. Pfizer's second shot is administered 21 days after the first, and Moderna's 28 days later.
Here are the most high-profile Americans who have received their first doses of their vaccines in the past 10 days.