Consider the huge difference between ethyl
alcohol — or drinking
alcohol, found in wine and beer — and methyl alcohol, or wood alcohol, which can cause blindness.
There's also no data to prove that thimerosal causes autism, Offit says. In fact, seven studies now refute that idea.
Gunter notes that flu shots don't use aluminum, which is used in other vaccines as an "adjuvant" to stimulate a stronger immune response.