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 House of the Faun was built in the second century BC during the Samnite period (200-80 BC). It was repaired after an earthquake in AD 62 and survived until the eruption of Mount Vesuvius in AD 79.