/articles/channels?channel=140 This feature channel highlights experts, research, and feature stories related to... en-us Copyright 2021 Newswise 115 31 / /images/newswise-logo-rss.gif /articles/view/755883/?sc=c140 /articles/view/755883/?sc=c140 Thu, 19 Aug 2021 15:00:13 EST Expert Q&A: Do breakthrough cases mean we will soon need COVID boosters? The extremely contagious Delta variant continues to spread, prompting mask mandates, proof of vaccination, and other measures. Media invited to ask the experts about these and related topics. Newswise