A crystal bowl of M&Ms is ready for eating. Jack Wolf/AP hide caption

itoggle caption Jack Wolf/AP

Nicole Andreacchio, second from the right, was seven months pregnant when she went to get vaccinated against swine flu in Maple Glen, Pa., in October 2009. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

How does your child's spoonful of medicine measure up? iStockphoto.com hide caption

itoggle caption iStockphoto.com