Flu protection could start at the nose

An annual shot in the arm may become a thing of the past, following the discovery by Australian researchers that it’s possible stop the influenza virus spreading to the lungs by immunising the upper respiratory tract.

They say the findings could be the key to preventing complications such as pneumonia.

And it takes scientists closer to developing a one-shot flu vaccine, they add.

University of Melbourne researchers Dr Angela Pizzolla (PhD) and Dr Linda Wakim (PhD), at the Peter Doherty Institute for Infection and Immunity, say that while previous influenza