The director of its Vaccine Research Center,Gary Nabel, says each antibody blocks the virus from attaching to white blood cells.

VOA: special.2010.07.14

Gary Nabel of the U.S. Vaccine Research Center points out that his universal flu vaccine would have another benefit.

VOA: standard.2010.07.21

Gary Nabel, who heads the U.S.government's Vaccine Research Center at the National Institutes of Health and was the study's lead author.

VOA: standard.2010.07.21