During this difficult time, having a strong immunity is important. Indeed, external threats like virus can cause serious disorders in immunocompromised people. Strengthening the barrier effect of our intestinal microbiota to limit the spread of the virus may be an alternative to consider. How does the body defend itself against attack by external factors? To protect itself against pathogenic agents, our body employs its own defence mechanisms: the immune system. The immune system, made up of a set of cells, tissues and substances that combat infection, is hosted to the tune of almost 70% in the gut. It defends the body, developing humoral and cell-mediated immune responses designed to [...]