    Isentence 1: " The numbers are starting to change verMvery  luuickly, " De Julie Gerberding , the CDC's director, told a  hhews briefing Thursd         |Sentence 2:  lauickly, " Dr  [Disease Control         Mereescresonin tochange very, very  fe Gerberding , director of the Centers for  id Prevention, soid Thurs.           