Pathophysiology

The Merck Manual for Health Professionals.

University of Rochester Medical Center Health Encyclopedia overview of immune disorders.

Medline Plus. A service of the U.S. National Library of Medicine. Overviews - Latest News - Diagnosis/Symptoms - Treatment - Prevention/Screening - Alternative Therapy - Disease Management - Specific Conditions - Related Issues

CATIE is Canada's source for information about HIV and Hepatitis C.

Covers what the immune system is, its structure, immune cells and their products, immune response, natural and acquired immunity, disorders of the immune system, immunology and transplants, research, and a glossary.

Overview and fact sheets about the disease.

The Merck Manual for home health.

Lupus is a chronic autoimmune disease that is known as the “great imitator”, because many of its symptoms can mask themselves as other disorders.