You find here an annotated slide show on the epidemiologic basis for tuberculosis control which is meant to go through from one to the next slide, looking at it and reading the annotation.
Last
Previous
Inventory
If you stop along the way and want to resume later, remember the slide number where you stopped and then resume later by going to the "Inventory" to click on the number with which you wish to continue.
PPT
You can also download a Mircrosoft PowerPoint™ ("PPT") presentation with all the slides in the same sequence, but the presentation does not have annotations.