Mutated variants of the coronavirus making their way around the world are causing covid-19 to spread faster, and one may be able to evade current vaccines
Source:
https://www.newscientist.com/article/2264063-new-coronavirus-variants-what-are-they-and-how-worried-should-we-be/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home