Why The Coronavirus Variant From Brazil Is Especially Worrisome To Scientists : Goats and Soda : NPR<br/><a href="https://www.npr.org/sections/goatsandsoda/2021/01/27/961108577/why-scientists-are-very-worried-about-the-variant-from-brazil" rel="noreferrer noopener" target="_blank">npr.org</a>