According to Dr. Jha of Harvard's Global Health Institute, the US might need more than 900,000 tests per day .
There were 640,465 test results reported over the last 24 hours. This is the most daily results reported (may be a data dump).
There were 41,939 positive tests. This is the most positive tests ever.
This data is from the COVID Tracking Project.
The percent positive over the last 24 hours was 6.5% (red line).
For the status of contact tracing by state, check out testandtrace.com.