NEW: More than 10 million Americans have now gotten their first dose of coronavirus vaccine, according to updated CDC data.
342,615 Americans have started vaccination since last update.
Administration gap worsens. 29m doses distributed vs. 10.3m administered. https://t.co/Dlbws2sGix
Just under 5% of the adult population in the US have now started the 2-dose vaccination course.
That figure has about doubled from a week ago — roughly climbing from 5 million to 10 million people starting vaccination in total over the past 7 days.