Cardiology and Heart Health Essentials
December 1, 2025Overview of Infectious Diseases
December 1, 2025Immunology explores the structure, function, and regulation of immune cells, tissues, and molecules. The immune system comprises innate (rapid, non-specific) defenses and adaptive (targeted, memory-based) responses, orchestrating complex protection against viruses, bacteria, fungi, parasites, toxins, and abnormal cells such as cancer.
Clinical immunologists are physicians who diagnose and manage patients with primary immunodeficiencies, autoimmune disorders, allergies, autoinflammatory syndromes, and complex multi-system diseases where immunity plays a central role. They work closely with laboratory scientists to interpret advanced diagnostics and provide optimal patient care.
The Immune System: Defense in Health and Disease
The human immune system distinguishes “self” from “non-self” and eliminates threats through multiple mechanisms:
- Physical barriers (skin, mucosa)
- Cellular defenses (phagocytes, lymphocytes)
- Humoral factors (antibodies, complement proteins)
- Regulatory molecules (cytokines, chemokines)
Failure of these processes results in immunodeficiency, exaggerated responses cause allergies, and misdirected immunity leads to autoimmunity (unintentional attack on the body’s tissues).
Major Conditions Managed in Immunology
- Primary and Secondary Immunodeficiencies: Inherited or acquired deficiencies resulting in recurrent, severe, or unusual infections.
- Autoimmune Diseases: Disorders like rheumatoid arthritis, systemic lupus erythematosus, Hashimoto’s thyroiditis, and Type 1 diabetes, caused by an attack on normal tissues.
- Allergic Disorders: Asthma, food allergies, eczema, and allergic rhinitis due to excessive immune responses.
- Autoinflammatory Syndromes: Periodic fever syndromes, vasculitis, and some rare genetic disorders.
- Transplant Immunology: Managing rejection and tolerance in organ or stem cell transplantation.
- Cancer Immunology: Engaging the immune system in tumor surveillance, immunotherapy, and cancer vaccines.
Diagnostic and Therapeutic Approaches
Immunologists use sophisticated diagnostics:
- Blood counts and cell phenotyping
- Serum immunoglobulins and complement testing
- Autoantibody panels
- Skin, patch, and allergen challenge tests
- Molecular genetics for inherited immunodeficiencies
Therapies may include:
- Immunosuppressive drugs (to quell autoimmunity or transplant rejection)
- Immunostimulants like vaccines, monoclonal antibodies, and checkpoint inhibitors (especially in cancer)
- Replacement therapy for antibodies or immunoglobulin
- Desensitization protocols for severe allergies
Modern advances include cellular therapies, gene editing, novel biologics, and personalized medicine for rare or complex immune-related conditions.
Liv Hospital’s Immunology Services
Liv Hospital provides a multidisciplinary, cutting-edge immunology program featuring:
- Integrated clinical and laboratory diagnostics for rapid, comprehensive evaluation
- Specialized management of autoimmune, immunodeficient, allergic, and autoinflammatory patients
- Collaboration with oncology, rheumatology, transplant, and infectious disease teams
- Targeted therapies—biologics, immunomodulators, and cellular treatments
- Patient education, counseling, and advanced follow-up systems for chronic disorders
Individuals seeking advanced immune disease care can access expert services and compassionate support at Liv Hospital. Visit the Liv Hospital homepage or the Liv Hospital Immunology Clinic.
