![Screen Shot 2020-03-20 at 3.24.01 AM covid coronavirus world](https://www.stephaniemiller.com/wp-content/uploads/2020/03/Screen-Shot-2020-03-20-at-3.24.01-AM-696x472.jpg)
The rapid spread of the virus this summer is striking, taking just 15 days to go from 3 million confirmed cases to 4 million. By comparison, the increase from 1 million cases to 2 million spanned 45 days from April 28 to June 11, and the leap to 3 million then took 27 days.