Thank you for your query on Healthcare Magic,
As your daughter has been examined by Pediatrician
and basic investigation ruled out any focus of bacterial infection, better to follow your Pediatrician advise.
As it looks like a viral, strep test
was negative and WBC was normal there seems no indication for antibiotics.
Try to give plenty of oral fluids during febrile illness, give soft diet
to maintain hydration and nutrition.
Look for her hydration status and still fever
continues, then consultation with your Pediatrician is appropriate.
Hope I have answered your query.