The innate immune system is the body’s first line of defense against infections. Some individuals have weakened immune systems due to genetic disorders, viral infections (like HIV/AIDS), or other immunodeficiencies. These conditions lead to frequent infections, poor immune responses, and increased disease risk.
Q1: What are primary immunodeficiency diseases (PIDs)?
A1: PIDs are genetic disorders that result in a weakened immune system from birth, making individuals prone to infections.
Q2: How is Acquired Immunodeficiency Syndrome (AIDS) different from primary immune deficiencies?
A2: AIDS is a secondary immune deficiency caused by HIV, while primary immunodeficiencies are inherited.
Q3: What is the role of innate immunity?
A3: Innate immunity is the body’s first defense against infections, involving physical barriers (skin), white blood cells, and inflammatory responses.
Q4: What is an immunoproliferative disorder?
A4: These disorders cause excessive growth of immune cells, sometimes leading to blood cancers like lymphomas.
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