It looks like I've imported Marek's disease into my small flock, having recently brought in half a dozen youngsters from a reputable dealer. One died at 7 weeks with the associated paralysis and another has been displaying similar symptoms at 25 weeks. She was really bad for a few days but has improved greatly over the week and is doing her best to follow the others around as they are all free range. She's still eating and drinking well. Does anyone have experience of this and can the birds ever fully recover?