: Just 4 in 10 Americans now say they would get the first coronavirus vaccine — and most don’t expect to pay out of pocket No Comments Uncategorized Seven vaccine candidates in the U.S. are in the clinical-trial phase with human participants. Seven vaccine candidates in the U.S. are in the clinical-trial phase with human participants. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)