Before revision: 54\% as of Apr 20, 2020. The infection ratio out of the US population is estimated to be 0.53\%, implying a case mortality rate at 2.85\% which is close to the 3.4\% suggested by the WHO  .
After revision: 54\% as of Apr 20, 2020, while the infection ratio out of the US population is estimated to be 0.53\%, implying a case mortality rate at 2.85\% which is close to the 3.4\% suggested by the WHO .