Dash was fevered all weekend, into Monday. I stayed with him and took him to the doctor Monday afternoon when he was diagnosed with coxsackie virus. The doctor assured me that Rosie would have antibodies for coxsackie (she's had it a couple of times), and so wouldn't catch it. AJS stayed home with Dash Tuesday and everybody was okay Wednesday.
When I got Rosie up this morning, she was very warm: 101.8 degrees. But, I had committed to baking muffins for a bake sale at work, so I brought them both in to my office. She's here with me right now, eating bake sale cookies! Anyway, she probably has a different, related virus, but not coxsackie.