vaccines

articles:

You have read articles and viewed a webinar covering the immunological basis for immunizations, the science of vaccines, and the reasons vaccines fail. In this second part of your assignments on vaccinations, please prepare a post in which you list the following: various types of vaccine routes and the principal highlights of why vaccines fail.

Please keep your answers factual, brief, and to the point. You may use diagrams or graphics to display the modes of action to complement your written text.