When reading a tuberculin skin test, when should a history of BCG vaccination be ignored?
• A history of BCG vaccination should be ignored if a person: • had BCG in infancy • had contact with a case of active TB disease • is from a country with a high rates of TB • is from an Aboriginal Community with high rates of TB • has a weakened immune system • has a high risk medical condition such as diabetes or renal failure • has an abnormal chest x-ray top of page
