Listen • 3:58 Myranda Tetzlaff is a 25-year-old who has two pit bull mixes named Bub and Goose. She takes them on long walks for exercise. But she recently caught herself backing out of a hike— because she was afraid of seeing other people on the trail. “Oh, it's nice outside, we've been in a pandemic, and everyone's been cooped up in their homes,” Tetzlaff said. “Oh, that means everyone's going to probably also be at the park. And so that just kind of terrifies me.” Tetzlaff, a childcare worker, lives in a suburb of Indianapolis. There are still about 1,000 ne...