The U.S. government said Wednesday it will start offering booster shots of vaccines against the novel coronavirus in late September, with medical workers and the elderly likely initial targets, amid surging infections led by the highly contagious Delta variant.The booster shots, aimed at strengthening vaccine efficacy, will be administered eight months after the second dose of the two-dose vaccines developed by Pfizer Inc. and Moderna Inc., pending final approval of the Food and Drug Administration and recommendations from the Centers for Disease Control and Prevention."This will boost your…READ FULL ARTICLE