This Week in Coronavirus: July 17 to July 23

At almost 27 weeks since the first coronavirus case appeared in the United States, we have reached 4 million cumulative cases — only 15 days since crossing 3 million. While cases are climbing at increasing rates and the economy continues to suffer, the debate around the safety and feasibility of reopening schools for in-person instruction continued this week as state and local officials released their decisions around in person or online learning and the Centers for Disease Control and Prevention released its own guidance on reopening schools.