About.com: Rare Diseases
Presents an overview of rare diseases along with articles on getting a diagnosis, medical tests, and applicable drugs.
Information from the Association of Congenital Diaphragmatic Hernia Research, Advocacy, and Support.
Office of Rare Disease
Information on scientific activities and a portal providing information on major topics of interest in rare diseases research.
Portal for rare diseases and orphan drugs. Features an alphabetic disease encyclopedia, plus details of clinical trials, orphan drugs and research links.
Rare Disease Search Engine
Specialized web search tool focused on information and resources involving rare diseases and related topics.
Source for information on rare disorders or syndromes including uncommon forms of cancer, heart disease, and stroke. With news and health articles.
Offers disorder-based communities for patients, families, and health care professionals affected by rare disorders.