i'm sorry i dont really have any advice but thought you may be comforted to know that my DD went through a similar thing. from about 10-14months she had tonsiitis and ear infections etc non stop and went through 5 or 6 courses of antibiotics. one would clear up and then within a week another high temp etc. she is now 16 months and has been HH for the last 2 months. good luck its not nice when they are consistently unwell. i got to the point of not wanteing to tell ppl she was poorly as i'd get the response she's always got something wrong!! i dont live in bris so dont know much about the strain of flu that is going around but its better to be safe than sorry keep persisting at the dr's.
hugs to you and your DD