This week on The Children's Hour, 'tis the season for the flu and colds, but some of the sicknesses that kids get can be prevented with vaccinations. Dr. William Dehority from UNM Pediatrics Division of Infectious Diseases educates us all about vaccinations. Why do we use vaccines, and what diseases do they prevent? How do they work? Are vaccinations safe and effective? Dr. Dehority explains the myths and rumors about vaccination.