• Awake Correspondent in Nigeria An article about sickle-cell anemia with an explanation, the symptoms, treatment, prevention and how it is passed on.

• Mamas Health A definition of sickle cell anemia, what it is, how one gets it, symptoms, statistics and testing.

• Sickle Cell Advocates for Research Patient-oriented information.

• Sickle Cell Disease Basic facts, symptoms, how to recognise a crisis, diagnosis and anagement are some of the topics covered.

• Sickle Cell Disease Association of America Education, advocacy and other initiatives which promote awareness and support for sickle cell programs and patients.

• Sickle Cell Information Center Current information for health care providers, patients, the public, teachers and others with online treatment guideline books, a tutorial, multiple links to other sickle cell sites and a directory of clinics in the US.

• Sickle Cell Society A UK-based charity which provides care and information. Site includes research findings, pain management techniques, and teaching resources.

• The American Sickle Cell Anemia Association A non-profit organisation based in Cleveland Ohio whose objectives are to raise awareness of the condition. Features educational material, FAQs, support groups and a message board.

• The Sickle Cell Foundation of Alberta Educates the public about sickle cell disease and provides support for carriers of the trait and their families.