ScienceGlobal issuesHow does our immune system function?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issues04/13/2023April 13, 2023How do our bodies know how to respond to viruses and bacteria? How does the immune system learn to detect new pathogens? And how does it differentiate between potentially dangerous invaders and harmless microbes? https://p.dw.com/p/4PpHiAdvertisement