B737 ENCOUNTERS WAKE TURB. PAX AND CREW INJURED.

Narrative

SUSPECTED WAKE TURB ENCOUNTER BEHIND MD11. CRUISE FLT AT FL240; 310 KIAS IN THE VICINITY OF RZS VOR. SKY WAS VMC; SMOOTH AND CLR. AUTOPLT AND AUTOTHROTTLES WERE ON. DEPARTED LAX ON A FLT TO SFO (LAX VTU2 RZS J501 BSR BSR2 SFO). AFTER FLYING SEVERAL VECTOR HDGS DURING THE DEP; WE WERE CLRED DIRECT TO RZS WITH A CLB TO FL240; OUR FINAL CRUISE ALT FOR THE FLT. WE HAD BEEN LEVEL AT OUR CRUISE ALT FOR A FEW MINS WHEN WE ENCOUNTERED A L ROLL WITH A PITCH DOWN ATTITUDE. I DISCONNECTED THE AUTOPLT; ROLLED THE ACFT LEVEL; AND REGAINED THE 200 FT ALT LOSS. I THEN RE-ENGAGED THE AUTOPLT. I CALLED THE 'A' FLT ATTENDANT TO DETERMINE IF ANY INJURIES HAD OCCURRED. THE 'A' FLT ATTENDANT STATED THAT THE 2 AFT FLT ATTENDANTS AND 1 PAX HAD BEEN INJURED. I ASKED THE CTLR IF THERE WERE ANY ACFT NEAR US. HE STATED THAT AN MD11 HAD CLBED THROUGH OUR ALT AHEAD OF US. HE WAS APPROX 10-12 MI AHEAD OF US. THE FO CONTACTED DISPATCH AND REQUESTED MEDICAL AID UPON OUR ARR. I TOLD ATC WE HAD A MEDICAL EMER AND REQUESTED A LIFEGUARD CALL SIGN. WE WERE CLRED DIRECT SFO. WE LANDED ON RWY 28L (VISUAL) AND THEN PROCEEDED DIRECTLY TO THE GATE. PARAMEDICS WERE WAITING AND BOARDED THE ACFT ASAP.