As weather cools, new organisms challenge immune system

... challenged with new organisms. So it is good to tackle this now, so you don't get a cold on top of what you have. Vitamin D supplementation is recommended for most people. Vitamin A, B6, B12, C, iron, zinc, and EPA from Omega 3 intake can all affect ...

http://www.theguardian.pe.ca/Living/2013-09-10/article-3382115/As-weather-cools%2C-new-organisms-challenge-immune-system/1