This video will help us to thoroughly understand about our immune system. It explains well how
our immune system fights off with pathogens daily to keep us healthy. It is helpful for Class
12 students to prepare for board exams and various entrance tests. It also explains about the
immune responses and various clinical approaches towards COVID -19 in the absence of a
vaccine. These video lectures are brought to you for free , so please like , share and subscribe to
motivate the spirit of Science teaching.