eric rubin of harvard university that caught the attention of folks who are concerned about vaccinationsso young. this is a minute from the end of his comment from that meeting. [video clip] >> we hear it is a personal choice. if i had a child who was a transfer recipient -- there are kids who should be vaccinated. the question of how broadly to use it is a substantial one. i know it is not our question. i do think it is a relatively close call. as dr. leavy just said, it is going to be a question -- we are never going to learn how safety vaccine is unless we start giving it. that is the way it goes. that is how we found out about complications of other vaccines. i think we should vote to approve it. host: to those comments that we are never going to learn about how safe it is until we start giving it. guest: it is a valid and fair point. i have been reviewing the data carefully. the fda advisory committee voted unanimously with only one extension to authorize this. it was not a close call. the overwhelming majority of scientific opinion is it is far safer and better for children, for fa