Information about sickle cell anaemia from the NHS.
Information about thalassaemia from the NHS
NHS sickle cell and thalassaemia screening programme
Sickle Cell Society
The Sickle Cell Society provides support and information for adults and children affected by sickle cell.
The UK Thalassaemia Society
The UKTS provides information and personal experiences of thalassaemia
You may also be interested in our Pregnancy & Children resources, which has a section on screening.