Could vitamin C help ward off the flu?

Influenza A is hitting the country hard right now .. some hospitals have set up dedicated flu wards and some elective surgery has been cancelled to deal with the influx of flu patients. Of course it is winter, viruses are super contagious and there's a cold snap so illness is to be expected to some degree, but are there steps you can take to ward off winter illnesses? And is taking Vitamin C one of them? University of Otago's Professor Margreet Vissers chats to Jesse. [picture id="4L744FG_diana_polekhina_GHp78jdvOZY_unsplash_jpg" crop="16x10" layout="full"]