my daughter has a fever for 2 weeks now that ranges from 37.5 to 39.5 degrees centigrade for 2 weeks now. her test in dengue and typhoid are negative, also urinalysis, normal. no coucg no cold, no other complains. she was amitted last monday, june 6, and was released today. she is taking rophecin and already had 5 vials of 750 mg. she is still having a fever. what is wrong with her?