As an 11-month birthday present, Josie was officially diagnosed with hereditary spherocytosis, the blood disease that both Christy and Christy's dad have. HS is not a life-threatening disease and pretty mild compared to a lot of other diseases. There are some things we need to watch out for and Josie will most likely need to have her spleen removed between the ages of 5 and 15. Check out this fact sheet for basic information about HS.