Chronic granulomatous disease (CGD) is an inherited (genetic) immune system disorder that occurs when a type of white blood cell (phagocyte) that usually helps your body fight infections doesn't work properly. As a result, the phagocytes can't protect your body from bacterial and fungal infections.
The house was built circa 1939. When used in date ranges, a circa is applied before each approximate date, while dates without a circa immediately preceding them are generally assumed to be known with certainty.
The official home for the U.S. president was designed by Irish-born architect James Hoban in the 1790s. Rebuilt after a British attack in 1814, the âPresidentâs Houseâ evolved with the personal touches of its residents, and accommodated such technological changes as the installation of electricity.