Special ReportFive reasons why you don’t need to panic about coronavirus variantscassandra willyardMay 13, 2021May 15, 2021 by cassandra willyardMay 15, 2021May 15, 20210164 On May 10, the World Health Organization added a new virus to its list of covid-19 variants of global concern. The variant, B.1.617, is being...