I am not anti vaccine just came in here to be a devils advocate but its obvious you guys just started this so you could be smug and smell your own farts so I will leave you to it.
the effectiveness of the flu shot is debatable and many doctors think vitamin D is at the very least as effective as the flu shot with ZERO side effects. I have never gotten the flu shot in my life and have had the flu maybe one or two times in my life...I know people who get it yearly (the flu and the flu shot) maybe I am just lucky
Here is a study by a doctor...just to get your blood boiling, vitamin D FTW!
http://preventdisease.com/news/13/10...ting-Flu.shtml