Anti-vaxers are using a 1969 clip from "The Brady Bunch" to push their cause. Maureen McCormick, who played Marcia Brady, isn't happy about it. https://t.co/rw1KbEDjhQ https://t.co/kn5scsdzQ2

Anti-vaxers are using a 1969 clip from "The Brady Bunch" to push their cause. Maureen McCormick, who played Marcia Brady, isn't happy about it. https://t.co/rw1KbEDjhQ https://t.co/kn5scsdzQ2 (via Twitter http://twitter.com/CNN/status/1122910939618205698)