The name game for coronavirus variants just got a little easier

Do you have trouble keeping the names Covid-19 variants straight, and struggle to distinguish B.1.1.7 from B.1.351 or B.1.617.2?

The World Health Organization wants to help. On Monday, it announced a new naming system it devised for so-called variants of interest and variants of concern, the forms of the SARS-CoV-2 virus with important mutations.