Rosie O'Donnell was released from the hospital today, but won't be returning to her talk show until April 16. O'Donnell was admitted to the hospital last Wednesday when the stitches from recent tendon surgery on her hand became afflicted with a staph infection. "Her hand still hurts, which makes her very grouchy," her publicist, Lois Smith, tells TV Guide Online, adding that guest hosts will sub for O'Donnell all week. "Today it's Barbara Walters, Tuesday it's [The View's] Meredith Viera, Wednesday it's Kathy Griffin, Thursday it's Caroline Rhea and Friday it will be Marie Osmond. Everybody's been fabulous — her friends have come through like gangbusters to help out as guest hosts."