Yes, but remember it takes a while for symptoms to appear. And the US daily new cases already appear to be going over 30k every day.
So it's another factor in a total failure to treat the pandemic as a hazard.
Europe and the Far East have persisted and so have a manageable situation. The US seems to have given up, because its president is incapable of caring and has undermined the response.
Internal borders are needed now for states which are taking things seriously.