If people on here are so keen on calculating CFR and not R0 to estimate how bad the virus is, they should also take into account logistic and demographic problems of every area. Hence, the CFR of New York might be so bad because of terrible medical infrastructure in the first place, and additionally patients who are not willing to go to the hospital because of fear of bankrupting themselves. Certainly not saying this virus is "just like the flu" because it is not and it is killing a lot of people. But epidemiologically this is much more complex than all of us are able to understand as non-epidemiologists.
Also, here's are actual estimations of R0: http://www.dkriesel.com/corona