Six lessons cover this chapter. Open any of them on its own below, or meet it in place inside chapter 10 of the book. Tick a lesson off once you can predict what it will do before you touch it.
1
The Virulence Factor Toolkit
Arm a microbe one tool at a time. See which step of the attack fails.
2
Infectious Dose & Virulence
Drag the dose up. Compare a weak microbe with a fierce one.
3
Portals of Entry & Adhesins
Tap a way in on the body map. Meet the germs that use that door.
4
Exotoxins vs Endotoxin
Run a toxin past a cell, an autoclave and a vaccine. Read how the two differ.
5
Evading the Body’s Defenses
Send the immune system in. Then switch each escape trick on and off.
6
The Five Stages of Infection
Play an infection forward. Watch germ counts and symptoms rise and fall.