Thalassaemia is a blood related genetic disorder which involves the absence of or errors in genes responsible for production of haemoglobin, a protein present in the red blood cells. Each red blood cell can contain between 240 and 300 million molecules of haemoglobin.
Landenberg is an unincorporated community in southern Chester County, Pennsylvania, United States.
Wallingford is an unincorporated community in Nether Providence Township, Delaware County in Pennsylvania, United States. Founded in 1687, it is named for Wallingford, England. In 2007, Wallingford was named by Money Magazine as the 9th best place to live in the United States; two other towns in the area made the top 15. It is west of Interstate 476 (known locally as the Blue Route) and east of S. Providence Road, PA 252.