Infants Suddenly Dying! (DTAP Beginnings)

Since the 1970s there's been an increase in SIDS or Sudden Infant Death Syndrome. Is there a link between this and diphtheria, tetanus, and acellular pertussis (DTAP) vaccines? Candace starts by looking at the tetanus part of this vaccine combination, and examines the data that led her to question why infants are required to take it.