Link between cases and deaths greatly weakened in delta surge

The delta variant-driven summer COVID-19 surge in the United States has so far proved much less deadly than previous waves, thanks in large part to vaccinations. The number of cases is approaching the levels seen in previous surges. The seven-day average of daily cases has risen as high as 66,606, close to the peak of 68,622 seen during the summer surge of 2020.-- More...