had flu for two weeks, which then turned into a cold , practically every time I go out I catch a fresh cold, this has been going on for nearly three months now. im always well dressed eat well drink plenty of fluids, fruits and veg. mild chest pains from time to time. before my flu I know my immune system was pretty low as I was recovering from two episodes of gastro , 2 days later I caught flu. Never had flu in my life rarely colds either. I am 49 years of age.