Dec 23 (Reuters) -

* U.S. CDC SAYS INVESTIGATING TWO SEPARATE LISTERIA OUTBREAKS LINKED TO PACKAGED SALADS

* U.S. CDC SAYS ONE OUTBREAK IS LINKED TO PACKAGED SALADS PRODUCED BY FRESH EXPRESS; OTHER OUTBREAK IS LINKED TO PACKAGED SALADS PRODUCED BY DOLE

* U.S. CDC SAYS 10 PEOPLE INFECTED WITH OUTBREAK STRAIN OF LISTERIA REPORTED FROM EIGHT STATES; TEN PEOPLE HAVE BEEN HOSPITALIZED; ONE DEATH REPORTED

* U.S. CDC SAYS 10 PEOPLE INFECTED WITH OUTBREAK STRAIN OF LISTERIA REPORTED FROM EIGHT STATES WERE LINKED TO PACKAGED SALADS PRODUCED BY FRESH EXPRESS

* U.S. CDC, ON OUTBREAK LINKED TO DOLE, SAYS 16 WERE INFECTED FROM 13 STATES, 12 HAVE BEEN HOSPITALIZED; TWO DEATHS REPORTED