From the September 13 edition of Premiere Radio Networks' The Sean Hannity Show:
Bachmann replies to Hannity, “I have no idea.”
Hannity later says during the interview, “well, there is no evidence on the mental retardation side but maybe the woman was trying to express to you that it did cause side effects which, by the way, the Center for Disease Control says happens in 005 point -- five percent of people.”