HealthGlobal issuesFighting deadly pathogensTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoHealthGlobal issuesJörg Gero Grüner12/04/2021December 4, 2021Viruses, bacteria, fungi - our bodies have to fight off many enemies. Our immune system is a network of cells and tissues, constantly on the lookout for invaders. When an enemy is spotted, a sophisticated attack is mounted.https://p.dw.com/p/43XanAdvertisement