https://www.bbc.co.uk/worldservice/africa/2009/09/090910_sickle_cell.shtml
16/05/2011 22:16
Sickle cell anaemia: latest research into the disease
This online Sickle cell Anaemia resource is designed to provide up to date information and news on the background, causes, symptoms and treatments, as well as the latest research associated with Sickle cell Anaemia. It is a source intended for both professionals and the general public to help with understanding of the disease and developments in the field.
The image below shows how normal red blood cells compare to sickle shaped cells under a microscope.

Reference of the above image: www.flickr.com/photos/euthman/5610746554/sizes/l/in/photostream/