What the Delta variant’s trajectory in Israel and the UK could mean for the US

All eyes are on the Delta variant that is now dominant in the United States as new Covid-19 cases rise week-to-week and the variant — first identified in India and also known as B.1.617.2 — accounts for a growing share.All eyes are on the Delta variant that is now dominant in the United States as new Covid-19 cases rise week-to-week and the variant — first identified in India and also known as B.1.617.2 — accounts for a growing share.