World Sickle Cell Day (International)

Sickle cell disease

Medical condition

Sickle cell disease (SCD), also simply called sickle cell, is a group of inherited haemoglobin-related blood disorders. The most common type is known as sickle cell anemia. Sickle cell anemia results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood…

Lists of holidays

Lists of holidays by various categorizations.