I don't know if this is all true, but.........

65LoveAffair said
I hate to burst anyone's bubble, but none of this is true. Check these links:
http://www.snopes.com/medical/swineflu/onion.asp
and
http://www.snopes.com/food/tainted/cutonions.asp

jkeck55 said
Every last bit of that post is untrue. Have you ever worked in a restaurant? Left over onions are saved all the time with no problems.

Now come on, guys. You checked snopes and restaurants, the email writer checked with her hair dresser...