Hello,
Welcome to Just Answer and thanks for your question. There is no problem with having another flu shot in Canada in late Fall when you return. Hopefully, by that time we will have a vaccine that incorporates protection against the H1N1 flu as well as our usual norther hemisphere culprits.
Nurse Practitioner
Board Certified Nurse Practitioner, MS, RN. Private practice and hospitalist experience.
Welcome to Just Answer and thanks for your question. There is no problem with having your flu shot in Australia and another flu shot in Canada in late Fall when you return. Hopefully, by that time we will have a vaccine that incorporates protection against the H1N1 flu as well as our usual northern hemisphere culprits.