ScienceAsk Derrick: ImmunityTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience10/18/2021October 18, 2021Our immune system stores long-term information about known pathogens and how to make antibodies against them. This means it can quickly react to later infections.https://p.dw.com/p/41p1DAdvertisement