Microbes
Little-Studied Gut Bacteria Group CAG-170 Tracks With Good Health in Global Analysis
A Cambridge-led analysis of more than 11,000 gut samples found that the uncultured bacterial group CAG-170 is more abundant in healthy people, though cause and effect remain unproven.
Outnumbered? The Microbes That Live On and In the Human Body
Bacteria, fungi, viruses and other microbes live on skin and in the gut, and researchers have spent years mapping them. Here is what major health agencies say about them.
What Are Viruses, and How Do They Differ From Bacteria and Cells?
Viruses are tiny packages of genetic material that cannot run their own metabolism and must hijack host cells to reproduce. Reference texts explain how that sets them apart from bacteria.