Why Does BCG Leave a Scar? bcgvaccine immunization scar [laCbdIcU8au]

💉 Ever wondered why the BCG vaccine leaves a permanent scar? Explore the fascinating journey of the BCG vaccine—from injection and immune cell activation to granuloma formation, healing, and scar formation. A simple step-by-step explanation of how your immune system builds long-lasting protection against tuberculosis. #BCG #BCGVaccine #Tuberculosis #TB #Vaccines #Vaccination #Immunology #ImmuneSystem #Microbiology #PublicHealth #MedicalEducation #HealthAwareness #ScienceEducation #Biology #Healthcare #TinyPredators #DidYouKnow #ScienceFacts #Infection #Medicine