If her fever gets quite high, have her checked again, but typically a fever isn't a huge worry.
As for the vomiting
. If she continues to vomit, or has diarhea, the biggest worry is dehydration. Remember that water on it's own will not rehydrate a child. Pick up pedialight or you can mix juice with water or even very flat (no bubbles at all) ginger ale with water. They need the sugars and salts. Give her tiny bits at a time.