First, the good news: In 24 states, the number of new coronavirus cases decreased this past week compared to the previous week. Now, the bad news: In many of those states, testing has also decreased. And the overall number of daily new cases is still way too high as the US faces a trio of major challenges this fall. ... On Sunday, 34,450 new cases were reported nationwide, according to data from Johns Hopkins University. That's better than the summer peak in late July, when the US had more than 60,000 new cases a day. But nationwide, testing is down 10% this past week compared to the previous week, according to data from the Covid Tracking Project. And of the confirmed cases we do know about, 34,450 is still an enormous number, health experts said Monday.