Lagging coronavirus testing in the US

<img width=“750” height=“275” src=“https://i2.wp.com/flowingdata.com/wp-content/uploads/2020/03/Coronavirus-testing.png?fit=750%2C275&ssl=1" class=“attachment-medium size-medium wp-post-image” alt=“” srcset=“https://i2.wp.com/flowingdata.com/wp-content/uploads/2020/03/Coronavirus-testing.png?w=2120&ssl=1 2120w, https://i2.wp.com/flowingdata.com/wp-content/uploads/2020/03/Coronavirus-testing.png?resize=750%2C275&ssl=1 750w, https://i2.wp.com/flowingdata.com/wp-content/uploads/2020/03/Coronavirus-t …