Immunity Best PPT : https://docs.google.com/presentation/d/1cX8UezJEivS3ZmCe-RwHh3y547s8XAat/edit?usp=drive_link&ouid=104630869943246458645&rtpof=true&sd=true PPT in detail / notes: https://www.jsscacs.edu.in/sites/default/files/Department%20Files/immunology%20notes.pdf https://www.ndvsu.org/images/StudyMaterials/Micro/Types-of-Immunity.pdf Video Lecture: https://study.com/academy/lesson/what-is-immunity-definition-types.html https://www.chop.edu/sites/default/files/vaccine-education-center-immune-system-lecture-notes.pdf https://www.nios.ac.in/media/documents/SrSec314NewE/Lesson-31.pdf https://www.ramauniversity.ac.in/online-study-material/nursing/gnm/2year/medicalsurgicalnursing/lecture-11.pdf . .