June 2, 2009 8:22 pm Whooping Cough on the Rise As Parents Refuse Vaccines Dr. Nancy Snyderman of the Today Show speaks with Meredith Vieira about childhood illnesses being on the the rise as parents refuse vaccines for their children. Local 1:36 O.J. Simpson's cause of death revealed 2:36 Super dad makes Mario-themed obstacle course for son's birthday 2:03 Does Shakira still believe in love following Gerard Piqué split? 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 0:59 Paramedic involved in Elijah McClain's death sentenced to 4 years of probation