. >> reporter: dacia freeman says her son noah has been in and out of the hospital since last year. >noah has dealt with vomiting, diarrhea, and he is really struggling. he is doing worse and it didn't seem to get better. >> reporter: captain michael mcginnis is the u.s. pacific fleet's lead doctor addressing the spills. >> it was during a very brief period of time. we have no evidence that supports a chronic long-term ongoing event as far as exposure and contamination. >> reporter: the families tell us that's just not true. they tell us they're still experiencing symptoms. they tell us they're still going to the hospital right now. >> any family with a medical concern, this is exactly what we want them to do. we want them to come in and be seen. >> reporter: we have a family who just a couple of minutes ago tells us 12-year-old noah freeman is in the hospital right now with liver issues. how do you square that with saying that the majority of this was over after december? >> well, one family affected is one family too many. >> reporter: it's more than one family. >> and what i would