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.
Modular homes are homes assembled at the building site. Modular homes are built to either local or state building codes as opposed to manufactured homes (sometimes still erroneously referred to as mobile homes) which are also built in a factory but are governed by a federal building code.