Public health officials are trying to figure out why a majority of Americans, including many public health nurses and doctors, have told pollsters recently they are wary of the H1N1 vaccine. Wary to the point that they're not sure they will get the shot against H1N1 flu. A look at medical myths and what fuels the fear of vaccines.

Gregory Poland, MD: Professor of medicine and infectious disease at Mayo Clinic and director of the Mayo vaccine research group.

Sandra Quinn: Associate professor at the University of Pittsburgh Graduate School of Public Health.

Rachel Vreeman, MD: Assistant professor of pediatrics in the Children's Health Services Research Program at the Indiana University School of Medicine and a pediatrician at Riley Hospital for Children. She's the co-author with Dr. Aaron Carroll of "Don't Swallow Your Gum!: Myths, Half-Truths, and Outright Lies About Your Body and Health."

MPR, Midmorning with Kerry Miller, 10/19/09

Tags: flu, H1N1, Infectious Diseases, vaccine