HealthWhat does immune really mean?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoHealth08/01/2022August 1, 2022No one can say how long or how much an individual person is protected "on average" from a new COVID infection. What do we really know about how the immune system works? Among other stories in this edition: malnutrition, diabetes and long COVID.https://p.dw.com/p/4EnpVAdvertisement