global vaccine race.The vaccine, developed by the U.S. National Institutes of Health and Moderna Inc., will be tested in 30,000 volunteers -- some given the real shot and some a dummy shot.
Moderna said it already has made enough doses for the pivotal late-stage testing. Still needed before those injections begin: results of how the shot has fared in smaller, earlier-stage studies.But Moderna’s announcement suggests those studies are making enough progress for the company and the NIH to get ready to move ahead.
Moderna launched its vaccine test in mid-March with an initial 45 volunteers. The company said it has finished enrolling 300 younger adults in its second stage of testing, and has begun studying how older adults react to the vaccine..