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Understanding the differences between bacteria and viruses is crucial for recognizing how these microorganisms impact our health. While both are microscopic and can cause infections, they differ ...

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 ...

Skoltech researchers and their colleagues from the Pasteur Institute and the University of Lorraine, France, have uncovered some of the inner workings of a recently discovered bacterial immune system ...