My Daughter Woke Up With A Temp Of 105 Was

my daughter woke up with a temp of 105 was rushed to er and we were told she has sometype infection she has been discharged 2 days earlier from a hospital she threw up several times the day following discharge the next day she woke with the 105 temp and sweating problems breathing her condidiont deterrated during the next 12 hours and at 645 she was pronounced dead after being coded a few minutes. they could not get her fever down and no meds they tried helped her heart rate was 169 a few minutes before she passed. do you where we need to look to find what this was and where it could have originated from