Special Report

Countries Where the Delta Variant Is Most Widespread

Source: Victor J. Blue / Getty Images News via Getty Images

2. USA
> Total delta cases: 133,627
> Delta cases in the past four weeks: 43,863 (94.0% of all cases)

Source: Alex Davidson / Getty Images News via Getty Images

1. United Kingdom
> Total delta cases: 288,468
> Delta cases in the past four weeks: 67,901 (99.9% of all cases)