Lupus is a disease of your autoimmune system which helps fight off virus.
The Lupus disease affects your autoimmune system which is your natural defense system for your body and allows your immune system to attack healthy tissues in your body instead of attacking bad things such as viruses and bacteria.
The Lupus disease is a lifelong disease and while some may have a mild case of the lupus disease others can have a more severe case of Lupus disease.
The cause of lupus disease is unknown but it is believed to be hereditary so you could get it from family members that have Lupus.