12:07
Vaccines
An explanation of the different types of vaccines. Question: What are the different types of vaccines?
14:07
Immunity
This video discusses Helper T-Cells, MHC, Cytotoxic T-Cells, B-Cells, Vaccines (just a little bit to emphasize how specific the immunity is), APC, Cytokinse. Q: How does specific immunity work?
03:40
This video discusses vaccines.