[chmars]

Testing is very limited in many countries. In Switzerland for example, testing is only done for very limited groups of persons with severe and for some medical staff. Broad testing never took place.

[Gibbon1]

Testing in the US is just coming online after everyone started going around the CDC and developed their own tests.

https://www.businessinsider.com/coronavirus-testing-covid-19...

Scroll down to the table showing testing rates per million.

   Guangdong China: 2820
   South Korea: 3692
   Italy: 826
   US: 5

[joquarky]

Maybe a better metric would be % of ICU utilization.