Vaccination & Immunization | Allergy | Lymphoid Organs | Antigen & Antibody | Autoimmunity

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Complete Vaccination & Immunization, Allergy, Antigen & Antibody, Autoimmunity explained in a simple and easy way! This video is based on NCERT Class 12 Biology and is highly useful for NEET 2026, Board Exams 2026, and Human Health & Disease chapter preparation.

Topics Covered in this Video:

Vaccination & Immunization – Types, Importance & Mechanism

Allergy – Causes, Symptoms, and Hypersensitivity Reactions

Antigen & Antibody – Structure, Functions & Immune Response

Autoimmunity – Autoimmune Disorders like Rheumatoid Arthritis & Myasthenia Gravis

Immune System & Human Health – Active & Passive Immunity


This video covers NCERT line by line, includes all PYQs (Previous Year Questions), and provides important tricks for quick revision.

Keywords:
Vaccination NEET 2026, Immunization Class 12 Biology, Allergy NEET questions, Antigen Antibody explained, Autoimmunity NEET Biology, Human Health and Disease NEET 2026, NCERT Biology Class 12, NEET Biology important topics, Active & Passive Immunity NEET

Perfect for: NEET UG 2026 aspirants, Class 12 Biology students, Board Exam preparation.

#NEET2026 #Class12Biology #HumanHealthAndDisease #Vaccination #Allergy #AntigenAntibody #Autoimmunity #NEETBiology #ncertbiology #doxab #doxabacademy