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 man down the street remembers when your house was being built in 1952. But one look at the kitchen, and you know they're both wrong. This place is practically prehistoric! Pinpointing a home's birthday may be difficult.