Science in Motion
The Fight Against Infection
S1 E2:
You live under a constant threat of intruders. You can't see them - because they are extremely small. They are the microorganisms that fill the air you breathe and the water you drink. Bacteria, viruses and parasites. And these intruders have developed many successful methods for deceiving your defenses. But scientists are now making ground breaking discoveries that can help our bodies.