Added section to README about 'probable' cases and deaths in CO, OH, PA.
-rw-r--r-- 1289 LICENSE
-rw-r--r-- 12124 README.md
-rw-r--r-- 2852504 us-counties.csv
-rw-r--r-- 80813 us-states.csv
-rw-r--r-- 1712 us.csv