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.
History Detectives Tips. 1  If building materials are inconsistent with a documented construction date, the house may have been rebuilt after fire or flood damage. 2  To find the color of original exterior paint, look underneath windowsills and behind the meter box, doorbell plate, and mailbox. If building materials are inconsistent with a documented construction date, the house may have been rebuilt after fire or flood damage. 2  To find the color of original exterior paint, look underneath windowsills and behind the meter box, doorbell plate, and mailbox.