States are reopening. Parks are crowded. Restaurants are filling, again, with diners. But is this dangerous? Six months into the pandemic, we reflect on what we’ve learned about the virus — and ask how that knowledge should chart the course forward. Guest: Donald G. McNeil Jr., a science and health reporter for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily

Background reading:

• As New York businesses reopened, Gov. Andrew Cuomo warned that a second wave of infections was almost inevitable if residents did not abide by social-distancing rules. “It will come,” he said. “And once it comes, it’s too late.”
• Restrictions are easing across the United States, but Arizona, Florida and Texas are reporting their highest case numbers yet. As of Saturday, coronavirus cases were climbing in 22 states.