maria picasso has been quarantined at the windsor manor rehabilitation center in concord where she's recovering from heart surgery. she says she and other patients have been forced to stay in their rooms since thursday because of an outbreak. an outbreak she says she's not being given any information about. >> what was going on. but nobody seems to know. and the person that does know won't tell us anything. >> it's scary to think about it. my sister is in there. we just fear that something is happening far more worse than they're telling us. >> juan says the staff will only say they're dealing with a contamination. but hasn't given them any other details. the contra costa county health department tells nbc bay area that there's a flu outbreak on their hands. that's more information than the family has been given by windsor manor. >> if it is a flu outbreak, they could say that. they just said contamination. that could be a lot of things. >> a spokesperson issued this statement. "windsor manor rehabilitation center of concord is following all of the guidelines directed by the public h