U.S. case numbers have not declined as much as those in other countries because we have not applied the aggressive measures that some Asian and European countries have.
Source: Six flaws in the arguments for reopening – The Washington Post
Article partly reprinted at Alternet…
https://www.alternet.org/2020/05/emergency-room-doctor-flattens-6-shockingly-stupid-things-republicans-say-to-justify-reopening/