Gut microbiota, with its close links to metabolism and the immune system, could potentially be a factor that lies at the core of good health. This means it can be positioned at the heart of the processes that influence the risk of contracting different diseases.

Viruses are the unknown studied members of the gut microbiome. A new metagenomic analysis in healthy adults reveals that fecal viruses show a high stability, individual specificity, and correlation with the bacterial microbiome for 1 year.