A doctor can tell if your child has hand-foot-and-mouth disease by the symptoms you describe and by looking at the sores and blisters.
Roast the beets for 50 to 60 minutes. Cook the beets until tender, checking them by inserting a fork into the center of each beet. When the fork glides in easily, the beets are tender enough to remove from the oven.
Preheat oven to 375Â°F. Place beets in roasting pan. Add 4 rosemary sprigs and enough water to barely cover beets. Cover pan tightly with foil. Roast beets until tender, about 50 minutes.