Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

DEAR DR. ROACH: I watched a show that described how a virus invades a cell and found it fascinating. What is the difference between a virus and a bacterial infection? -- G.D. ANSWER: Viral infections ...

Viruses, like the common cold or influenza are not alive and must invade living cells to grow. The body’s own immune system must fight off the virus or let it run its course. Dr. Heather Zimmerman of ...

Viruses in man-made environments cause public health concerns, but they are generally less studied than bacteria. A recent study led by environmental scientists from City University of Hong Kong ...

Researchers have discovered viruses transported to the International Space Station evolve differently than on Earth in a remarkable biological breakthrough. According to research published in PLOS ...

The viruses that kill bacteria may be our best bet against antibiotic resistance — if we can understand how they win. When you purchase through links on our site, we may earn an affiliate commission.