JACKSONVILLE, Florida, March 8 -- Nemours Foundation issued the following news release: Each year, Nemours/Alfred I. duPont Hospital for Children observes Rare Disease Day, February 28, by promoting awareness, advocacy and learning about rare diseases. Nemours has long been a resource for families of children seeking diagnoses, treatment, education and community for many rare conditions. The hospital hosted the Beyond the Diagnosis traveling art exhibit featuring original portraits of children  more