I had read a lot about it, to the point that can't be ignore. I used to have the flu shot evey year, but since all the news about it I go with out, I just make sure a drink a lot of organic oregano tea, because of its antibacterial antioxidant properties and benefit for asthma, bronchitis, etc.
I leave a link so you can read on it.
http://www.medicalnewstoday.com/articles/266259....
I hope it helped.

The nasal inhaled version of the flu vaccine does have a preservative that contains minute amounts of mercury. The shots that we receive do not contain any preservatives, .and no mercury. The inhaled version of the vaccine is not recommended for adults.

I hope it helps!

Thanks Cosmicdust: will have to give that a try. Hugs Hope your day is great.