text:  It's here and now. The summer is heating up and COVID cases are on the rise. CDC data show more people are being infected around the country, especially in the West and Southwest. Dr. Lina Nguyen is seeing this firsthand. She's an emergency physician, columnist, and former health commissioner in Baltimore. And Dr. Nguyen, would you give us the lay of the land on COVID cases this summer? In a way, it feels like deja vu because we've been talking about these spikes of COVID for several years now. Since the pandemic started,