A POTENTIALLY LIFE-THREATENING INJURY RESULTING FROM A PREVIOUS CHALLENGE CAUSES THE MEDICAL TEAM TO INTERVENE, ON "SURVIVOR: MICRONESIA -- FANS VS. FAVORITES," THURSDAY, MARCH 13, 8:00-9:00 PM ET/PT

"It Hit Everyone Pretty Hard!" - One castaway's medical emergency changes the course of the game for the remaining castaways. Meanwhile, on Exile Island, the fake immunity idol finds its way into the hands of Ozzy's arch-rival, on SURVIVOR: MICRONESIA - Fans vs. Favorites, Thursday, March 13 (8:00-9:00 PM ET/PT) on the CBS Television Network.

CASTAWAYS:

FANS: Joel Anderson (5th Voted Out), Natalie Bolton, Michael "Mikey B" Bortone (4th Voted Out), Tracy Hughes-Wolf, Alexis Jones, Erik Reichenbach, Mary Sartain (2nd Voted Out), Jason Siska, Kathleen Sleckman, Chet Welch

FAVORITES: Yau-Man Chan (3rd Voted Out), James Clement, Ami Cusack, Jonny Fairplay (1st Voted Out), Cirie Fields, Amanda Kimmel, Oscar "Ozzy" Lusth, Eliza Orlins, Jonathan Penner, Parvati Shallow

SURVIVOR: MICRONESIA - FANS VS. FAVORITES is hosted by Jeff Probst and produced by SEG, Inc. Mark Burnett is the executive producer. Doug McCallie, Kevin Greene and Teri Kennedy are co-executive producers.

For more detailed information on SURVIVOR: MICRONESIA - FANS VS. FAVORITES and the 20 castaways, log on to www.cbs.com/survivor.

For more information on Palau, log on to http://www.visit-palau.com/.

RATING: To Be Announced